AI-generatedAjax at a glance
- Best time
- Jun – Sep
- Warmest month
- Jul · 26°
- Sunshine a year
- 2,120 h
- Rain a year
- 889 mm
- Climate
- Continental
- Time zone
- UTC−5 / UTC−4
- Elevation
- 97 m
Climate in Ajax
Ajax has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 26 °C, while January is the coolest at 0 °C. With around 2,120 hours of sunshine a year, Ajax is moderately sunny; July is the sunniest month with 8.9 hours a day.
Holiday weather through the year
Best time to visit Ajax
The best time to visit Ajax is from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. The wettest month is June with 93 mm of precipitation.
Ajax through the seasons
How the weather changes over the seasons, with averages for each.
Ajax in spring
Mar – May
Fair
- 4–16 °C by day
- 6.6 h of sun a day
- 33 rainy days in all
Ajax in summer
Jun – Aug
Excellent
- 22–26 °C by day
- 8.3 h of sun a day
- 32 rainy days in all
Ajax in autumn
Sep – Nov
Fair
- 8–21 °C by day
- 4.8 h of sun a day
- 30 rainy days in all
Ajax in winter
Dec – Feb
Poor
- 0–3 °C by day
- 3.5 h of sun a day
- 31 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Snow
Nov – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Ajax for you.
Your best months: June – July, September
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: June – September
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
07:2918:35
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 07:11–08:08 · evening 17:55–18:52
- Blue hour
- Morning 07:00–07:11 · evening 18:52–19:03
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 Ajax 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 11° at the end. The days get 1.4 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 11° |
| Night-time low | 12° | 6° |
| Daylight | 11.8 h | 10.4 h |
What is the weather like in Ajax in October?
In October, Ajax is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 77 mm in total. All in all, October is a so-so month for a holiday in Ajax.
More details for October
- Daylight
- 11 h 6 min07:29 – 18:35
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 62 %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−4offset from UTC
How the score comes together
- Temperatureweight 50 %64 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Ajax
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 Ajax: score 85 against 51. In July, days are 12 °C warmer than in October. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 51 | 85better |
| Daytime high | 14° | 26° |
| Night-time low | 9° | 19° |
| Sunshine | 4.4 h | 8.9 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 77 mm | 86 mm |
| Muggy days | 0better | 11 |
Based on the climate averages 1996–2025.
Ajax month by month
The typical weather for every month at a glance.
16January0° · 3.2 h
In January, Ajax is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 3.2 hours a day. Precipitation falls on about 11 days, totalling 64 mm; on about 7 of them it snows. All in all, January is not an ideal month for a holiday in Ajax.
Ajax in January24February0° · 4.5 h
In February, Ajax is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−6 °C). Expect around 4.5 hours of sunshine a day. Precipitation falls on about 9 days, totalling 57 mm; on about 6 of them it snows. All in all, February is not an ideal month for a holiday in Ajax.
Ajax in February25March4° · 5.6 h
In March, Ajax is cold: daytime highs average 4 °C, and nights often drop below freezing (−2 °C). Expect around 5.6 hours of sunshine a day. Precipitation falls on about 10 days, totalling 62 mm; on about 4 of them it snows. All in all, March is not an ideal month for a holiday in Ajax.
Ajax in March30April9° · 6.5 h
In April, Ajax is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 12 rainy days and 84 mm in total. Snow falls on about 2 days. All in all, April is not an ideal month for a holiday in Ajax.
Ajax in April69May16° · 7.7 h
In May, Ajax is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. The sun shines for around 7.7 hours a day. Rain is frequent, with about 11 rainy days and 75 mm in total. All in all, May is a good month for a holiday in Ajax.
Ajax in May82June22° · 8.3 h
In June, Ajax is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sun shines for around 8.3 hours a day. Rain is frequent, with about 11 rainy days and 93 mm in total. All in all, June is an excellent month for a holiday in Ajax.
Ajax in June85July26° · 8.9 h
In July, Ajax is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sun shines for around 8.9 hours a day. Rain is frequent, with about 11 rainy days and 86 mm in total. All in all, July is an excellent month for a holiday in Ajax.
Ajax in July83August25° · 7.7 h
In August, Ajax is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sun shines for around 7.7 hours a day. Rain is frequent, with about 10 rainy days and 76 mm in total. All in all, August is an excellent month for a holiday in Ajax.
Ajax in August81September21° · 6.5 h
In September, Ajax is warm: daytime highs average 21 °C, and nights cool down to about 15 °C. The sun shines for around 6.5 hours a day. Rain falls on about 9 days, adding up to 77 mm. All in all, September is an excellent month for a holiday in Ajax.
Ajax in September51October14° · 4.4 h
In October, Ajax is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 77 mm in total. All in all, October is a so-so month for a holiday in Ajax.
Ajax in October19November8° · 3.6 h
In November, Ajax is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3.6 hours a day. Rain is frequent, with about 10 rainy days and 66 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Ajax.
Ajax in November14December3° · 2.7 h
In December, Ajax is bitterly cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 2.7 hours a day. Precipitation falls on about 11 days, totalling 72 mm; on about 6 of them it snows. All in all, December is not an ideal month for a holiday in Ajax.
Ajax in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Ajax
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−6°), the warmest in July (19°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. 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 | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 16 | 0° | −6° | 3.2 h | 11 | 64 |
| FebruaryFeb | 24 | 0° | −6° | 4.5 h | 9 | 57 |
| MarchMar | 25 | 4° | −2° | 5.6 h | 10 | 62 |
| AprilApr | 30 | 9° | 4° | 6.5 h | 12 | 84 |
| MayMay | 69 | 16° | 10° | 7.7 h | 11 | 75 |
| JuneJun | 82 | 22° | 15° | 8.3 h | 11 | 93 |
| JulyJul | 85 | 26° | 19° | 8.9 h | 11 | 86 |
| AugustAug | 83 | 25° | 19° | 7.7 h | 10 | 76 |
| SeptemberSep | 81 | 21° | 15° | 6.5 h | 9 | 77 |
| OctoberOct | 51 | 14° | 9° | 4.4 h | 11 | 77 |
| NovemberNov | 19 | 8° | 3° | 3.6 h | 10 | 66 |
| DecemberDec | 14 | 3° | −2° | 2.7 h | 11 | 72 |
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
43.85° N, 79.03° W · 97 m · America/Toronto
Sunshine hours in Ajax
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 4.4 of 11.1 hours of daylight in Ajax, 40 % 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 in Ajax: 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, Ajax has about 11 rainy days with 77 mm of rain in total.
UV index in Ajax
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 50 min
- Light brown skin
- about 70 min
- Olive skin
- about 90 min
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 and clouds in Ajax
How breezy and how cloudy Ajax 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 Ajax typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 62 % of the sky over Ajax: variable cloud, with about 4.4 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 and humidity in Ajax
How often the day gets hot in Ajax (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, Ajax has about 0 hot days, with an average daytime high of 14 °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 in Ajax
When Ajax is likely to be white: 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 Ajax.
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 Ajax
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Ajax 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.
Ajax has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 15).
- 29
Easter holidays
Mar – Apr
Poor
- 7 °C by day
- 6.2 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
- 72
May half-term
May – Jun
Good
- 17 °C by day
- 7.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 84
Summer holidays
Jul – Aug
ExcellentBest holidays
- 25 °C by day
- 8.1 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 51
October half-term
Oct
Fair
- 14 °C by day
- 4.4 h of sun a day
- 11 rainy days a month
- 15
Christmas holidays
Dec – Jan
Poor
- 1 °C by day
- 3.0 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 7 h 20 min
- Distance
- 5,660 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 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.
Compare & alternatives
Ajax compared
Put Ajax side by side with another destination.
Ajax vs Whitby
In October the holiday weather in Ajax and Whitby is about equally good (score 51 vs 53). During the day Whitby is 1 °C warmer than Ajax.
| in October | Ajax | Whitby |
|---|---|---|
| Holiday weather score | 51 | 53 |
| Daytime high | 14° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 11 | 11 |
| Best time | Jun – Sep | May – Sep |
Through the year
Canada in October: the best places
In October, Ajax ranks 18 among the 31 nearest destinations in this country.
- Brantford16°58
- 2Cobourg15°57
- 3St. Catharines16°57
- 4Hamilton15°57
- 5Port Hope15°55
- 6Oakville15°55
- 7Burlington15°55
- 8Niagara Falls16°55
- 18AjaxThis page14°51
Near Ajax
Other destinations close by.
Places with a climate like Ajax
Destinations whose weather through the year is closest to Ajax's – good alternatives.
Frequently asked questions about Ajax
When is the best time to visit Ajax?
The best time to visit Ajax is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Ajax?
July is the warmest month, with average highs of 26 °C and nights around 19 °C. January is the coolest month at 0 °C.
When does it rain most in Ajax?
The wettest month is June with 93 mm of precipitation. The driest month is February with 57 mm.
How many hours of sunshine does Ajax get?
Ajax gets around 2,120 hours of sunshine a year. The sunniest month is July with 8.9 hours a day; in December there are 2.7 hours a day.
What time zone is Ajax in?
Ajax is on UTC−5 in January and UTC−4 in July.
How long is the flight from London to Ajax?
A nonstop flight from London to Ajax takes about 7 h 20 min, for a straight-line distance of about 5,660 km.
Which school holidays are best for Ajax?
Ajax has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 29, May half-term 72, summer holidays 84, October half-term 51, Christmas holidays 15.