AI-generatedSidney at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 24°
- Warmest sea
- Aug · 13.8°
- Sunshine a year
- 2,210 h
- Rain a year
- 1,022 mm
- Climate
- Temperate
- Time zone
- UTC−8 / UTC−7
- Elevation
- 5 m
Climate in Sidney
Sidney has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 24 °C, while December is the coolest at 9 °C. With around 2,210 hours of sunshine a year, Sidney is sunny; July is the sunniest month with 11.0 hours a day.
Holiday weather through the year
Best time to visit Sidney
The best time to visit Sidney is from May to September. The sea stays too cool for a classic beach holiday: even in August it only reaches 13.8 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. Rain is frequent from October to March; the wettest month is November with 167 mm.
Sidney through the seasons
How the weather changes over the seasons, with averages for each.
Sidney in spring
Mar – May
Good
- 12–18 °C by day
- Sea 9 °C
- 6.4 h of sun a day
- 35 rainy days in all
Sidney in summer
Jun – Aug
Excellent
- 21–24 °C by day
- Sea 13 °C
- 9.9 h of sun a day
- 11 rainy days in all
Sidney in autumn
Sep – Nov
Fair
- 11–21 °C by day
- Sea 11 °C
- 4.9 h of sun a day
- 38 rainy days in all
Sidney in winter
Dec – Feb
Poor
- 9 °C by day
- Sea 8 °C
- 2.9 h of sun a day
- 49 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Rainy months
Oct – Mar
Rainy season or more than 12 rainy days
Snow
Dec
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Sidney for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 10°
07:3218:27
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:12–08:15 · evening 17:44–18:46
- Blue hour
- Morning 07:00–07:12 · evening 18:46–18:58
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Sidney compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 13° at the end. The sea cools from 12° to 10°. The days get 1.7 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 13° |
| Night-time low | 9° | 6° |
| Sea | 12° | 10° |
| Daylight | 11.7 h | 10.1 h |
What is the weather like in Sidney in October?
In October, Sidney is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 10.6 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 116 mm in total. All in all, October is a so-so month for a holiday in Sidney.
More details for October
- Daylight
- 10 h 55 min07:32 – 18:27
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 65 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−7offset from UTC
How the score comes together
- Temperatureweight 50 %77 %
- Sunshineweight 20 %27 %
- Few rainy daysweight 30 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Sidney
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Sidney: score 100 against 54. In July, days are 9 °C warmer than in October. The sea is 3 °C warmer in July. July has 10 fewer rainy days. The sun shines 6 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 54 | 100better |
| Daytime high | 15° | 24° |
| Night-time low | 8° | 12° |
| Sea | 10.6° | 13.4° |
| Sunshine | 4.6 h | 11.0 hbetter |
| Rainy days | 13 | 3better |
| Rainfall | 116 mm | 13 mmbetter |
Based on the climate averages 1996–2025.
Sidney month by month
The typical weather for every month at a glance.
5January9° · Sea 8° · 2.6 h
In January, Sidney is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 7.7 °C – swimming is only for the hardy. The sun is scarce, with only about 2.6 hours a day. It rains often – on about 18 days, adding up to 162 mm. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Sidney.
Sidney in January20February9° · Sea 8° · 3.9 h
In February, Sidney is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 7.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 14 rainy days and 96 mm in total. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Sidney.
Sidney in February31March12° · Sea 8° · 4.7 h
In March, Sidney is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 8.1 °C – swimming is only for the hardy. Expect around 4.7 hours of sunshine a day. It rains often – on about 15 days, adding up to 108 mm. All in all, March is not an ideal month for a holiday in Sidney.
Sidney in March63April15° · Sea 9° · 6.6 h
In April, Sidney is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. The sea averages 9.1 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, April is a good month for a holiday in Sidney.
Sidney in April87May18° · Sea 11° · 8.0 h
In May, Sidney is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sea averages 10.7 °C – swimming is only for the hardy. The sun shines for around 8.0 hours a day. Rain falls on about 9 days, adding up to 42 mm. All in all, May is an excellent month for a holiday in Sidney.
Sidney in May96June21° · Sea 12° · 8.9 h
In June, Sidney is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 12.2 °C – swimming is only for the hardy. The sun shines for around 8.9 hours a day. Rain falls on about 6 days, adding up to 27 mm. All in all, June is an excellent month for a holiday in Sidney.
Sidney in June100July24° · Sea 13° · 11.0 h
In July, Sidney is warm: daytime highs average 24 °C, and nights cool down to about 12 °C. The sea averages 13.4 °C – swimming is only for the hardy. With around 11.0 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 13 mm in total. All in all, July is an excellent month for a holiday in Sidney.
Sidney in July100August24° · Sea 14° · 9.8 h
In August, Sidney is warm: daytime highs average 24 °C, and nights cool down to about 12 °C. The sea averages 13.8 °C – swimming is only for the hardy. With around 9.8 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 18 mm in total. All in all, August is an excellent month for a holiday in Sidney.
Sidney in August87September21° · Sea 13° · 7.4 h
In September, Sidney is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 12.6 °C – swimming is only for the hardy. The sun shines for around 7.4 hours a day. Rain falls on about 7 days, adding up to 47 mm. All in all, September is an excellent month for a holiday in Sidney.
Sidney in September54October15° · Sea 11° · 4.6 h
In October, Sidney is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 10.6 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 116 mm in total. All in all, October is a so-so month for a holiday in Sidney.
Sidney in October18November11° · Sea 9° · 2.8 h
In November, Sidney is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sea averages 9.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2.8 hours a day. It rains often – on about 17 days, adding up to 167 mm. All in all, November is not an ideal month for a holiday in Sidney.
Sidney in November5December9° · Sea 8° · 2.3 h
In December, Sidney is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2.3 hours a day. It rains often – on about 17 days, adding up to 161 mm. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Sidney.
Sidney in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Sidney
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in February (4°), the warmest in August (12°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 5 | 9° | 4° | 7.7° | 2.6 h | 18 | 162 |
| FebruaryFeb | 20 | 9° | 4° | 7.7° | 3.9 h | 14 | 96 |
| MarchMar | 31 | 12° | 5° | 8.1° | 4.7 h | 15 | 108 |
| AprilApr | 63 | 15° | 6° | 9.1° | 6.6 h | 11 | 66 |
| MayMay | 87 | 18° | 9° | 10.7° | 8.0 h | 9 | 42 |
| JuneJun | 96 | 21° | 11° | 12.2° | 8.9 h | 6 | 27 |
| JulyJul | 100 | 24° | 12° | 13.4° | 11.0 h | 3 | 13 |
| AugustAug | 100 | 24° | 12° | 13.8° | 9.8 h | 3 | 18 |
| SeptemberSep | 87 | 21° | 11° | 12.6° | 7.4 h | 7 | 47 |
| OctoberOct | 54 | 15° | 8° | 10.6° | 4.6 h | 13 | 116 |
| NovemberNov | 18 | 11° | 5° | 9.3° | 2.8 h | 17 | 167 |
| DecemberDec | 5 | 9° | 4° | 8.3° | 2.3 h | 17 | 161 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
48.65° N, 123.40° W · 5 m · America/Vancouver
Sea temperature
Sea temperature in Sidney
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 10.2 – 10.9 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Sidney ranges from 7.7 °C in January to 13.8 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. The sea temperature varies from year to year: in August, eight out of ten years were between 13.0 and 14.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 7.7° | 7.2° | 8.3° | cold |
| FebruaryFeb | 7.7° | 7.1° | 8.4° | cold |
| MarchMar | 8.1° | 7.4° | 8.8° | cold |
| AprilApr | 9.1° | 8.5° | 9.7° | cold |
| MayMay | 10.7° | 10.1° | 11.5° | cold |
| JuneJun | 12.2° | 11.5° | 13.2° | cold |
| JulyJul | 13.4° | 12.6° | 14.1° | cold |
| AugustAug | 13.8° | 13.0° | 14.5° | cold |
| SeptemberSep | 12.6° | 12.1° | 13.3° | cold |
| OctoberOct | 10.6° | 10.2° | 10.9° | cold |
| NovemberNov | 9.3° | 8.7° | 9.9° | cold |
| DecemberDec | 8.3° | 7.8° | 8.9° | cold |
Sunshine
Sunshine hours in Sidney
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.6 of 10.9 hours of daylight in Sidney, 42 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Sidney: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Sidney has about 13 rainy days with 116 mm of rain in total.
UV index
UV index in Sidney
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 55 min
- Fair skin
- about 70 min
- Light brown skin
- about 100 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Sidney
How breezy and how cloudy Sidney is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Sidney typically peaks at 14 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 65 % of the sky over Sidney: variable cloud, with about 4.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Sidney
How often the day gets hot in Sidney (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Sidney has about 0 hot days, with an average daytime high of 15 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow
Snow in Sidney
Snow is possible in Sidney, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Sidney.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Sidney
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Sidney in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Sidney has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 5).
- 53
Easter holidays
Mar – Apr
Fair
- 14 °C by day
- Sea 9 °C
- 6.0 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 89
May half-term
May – Jun
Excellent
- 19 °C by day
- Sea 11 °C
- 8.2 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 100
Summer holidays
Jul – Aug
ExcellentBest holidays
- 24 °C by day
- Sea 14 °C
- 10.2 h of sun a day
- 3 rainy days a month
Good for: Sightseeing & walks
- 54
October half-term
Oct
Fair
- 15 °C by day
- Sea 11 °C
- 4.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 5
Christmas holidays
Dec – Jan
Poor
- 9 °C by day
- Sea 8 °C
- 2.5 h of sun a day
- 18 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 40 min
- Distance
- 7,640 km
- Time zone
- UTC−7
- Jet lag
- About 5 days (8 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Canada
- Currency
- Canadian Dollar (CAD)
- Languages
- English, French
- Sockets
- Type A, B · 120 V
- Traffic
- Drives on the right
- Dialling code
- +1
- Emergency number
- 911
UK plugs need a travel adapter
Only 120 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Sidney compared
Put Sidney side by side with another destination.
Sidney vs Saanich
In October the holiday weather in Sidney and Saanich is about equally good (score 54 vs 56). During the day it is about as warm in Saanich as in Sidney. The sea in Saanich is 1 °C cooler.
| in October | Sidney | Saanich |
|---|---|---|
| Holiday weather score | 54 | 56 |
| Daytime high | 15° | 15° |
| Sea | 11° | 10° |
| Sunshine | 5 h | 5 h |
| Rainy days | 13 | 13 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Canada in October: the best places
In October, Sidney ranks 3 among the 31 nearest destinations in this country.
- Lillooet15°64
- 2Chilliwack16°55
- 3SidneyThis page15°11°54
- 4Sooke15°10°52
- 5Hope16°51
- 6Saanich15°10°50
- 7Victoria15°10°50
- 8Langford14°10°47
Places nearby
Near Sidney
Other destinations close by.
Places with a similar climate
Places with a climate like Sidney
Destinations whose weather through the year is closest to Sidney's – good alternatives.
Frequently asked questions about Sidney
When is the best time to visit Sidney?
The best time to visit Sidney is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Sidney?
The sea temperature in Sidney ranges from 7.7 °C in January to 13.8 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Sidney in October?
Only if you don't mind cold water: in October the sea averages just 10.6 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Sidney?
July is the warmest month, with average highs of 24 °C and nights around 12 °C. December is the coolest month at 9 °C.
When does it rain most in Sidney?
Rain is frequent from October to March; the wettest month is November with 167 mm. The driest month is July with 13 mm.
How many hours of sunshine does Sidney get?
Sidney gets around 2,210 hours of sunshine a year. The sunniest month is July with 11.0 hours a day; in December there are 2.3 hours a day.
What time zone is Sidney in?
Sidney is on UTC−8 in January and UTC−7 in July.
How long is the flight from London to Sidney?
A nonstop flight from London to Sidney takes about 9 h 40 min, for a straight-line distance of about 7,640 km.
Which school holidays are best for Sidney?
Sidney has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 5). Holiday ratings (0–100): Easter holidays 53, May half-term 89, summer holidays 100, October half-term 54, Christmas holidays 5.