AI-generatedChatham at a glance
- Best time
- Jul – Aug
- Warmest month
- Jul · 23°
- Warmest sea
- Aug · 18.5°
- Sunshine a year
- 1,720 h
- Rain a year
- 617 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 21 m
Climate in Chatham
Chatham has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 23 °C, while January is the coolest at 8 °C. With around 1,720 hours of sunshine a year, Chatham is moderately sunny; July is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Best time to visit Chatham
The best time to visit Chatham is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.5 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to October. The wettest month is October with 61 mm of precipitation.
Chatham through the seasons
How the weather changes over the seasons, with averages for each.
Chatham in spring
Mar – May
Poor
- 11–18 °C by day
- Sea 10 °C
- 5.7 h of sun a day
- 31 rainy days in all
Chatham in summer
Jun – Aug
Fair
- 21–23 °C by day
- Sea 17 °C
- 7.0 h of sun a day
- 30 rainy days in all
Chatham in autumn
Sep – Nov
Poor
- 12–20 °C by day
- Sea 15 °C
- 3.8 h of sun a day
- 31 rainy days in all
Chatham in winter
Dec – Feb
Poor
- 8–9 °C by day
- Sea 8 °C
- 2.2 h of sun a day
- 32 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Oct
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Chatham for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
07:2018:07
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 06:59–08:05 · evening 17:22–18:28
- Blue hour
- Morning 06:46–06:59 · evening 18:28–18:41
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 Chatham 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 14° at the end. The sea cools from 16° to 14°. The days get 1.9 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 14° |
| Night-time low | 9° | 6° |
| Sea | 16° | 14° |
| Daylight | 11.7 h | 9.8 h |
What is the weather like in Chatham in October?
In October, Chatham is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3.7 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, October is not an ideal month for a holiday in Chatham.
More details for October
- Daylight
- 10 h 48 min07:20 – 18:07
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1offset from UTC
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 20 %47 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Chatham
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Chatham: score 51 against 12. In August, days are 7 °C warmer than in October. The sea is 4 °C warmer in August. August has one rainy day fewer. The sun shines 3 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 12 | 51better |
| Daytime high | 16° | 23° |
| Night-time low | 8° | 13° |
| Sea | 15.0° | 18.5° |
| Sunshine | 3.7 h | 6.6 hbetter |
| Rainy days | 11 | 10better |
| Rainfall | 61 mm | 60 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Chatham month by month
The typical weather for every month at a glance.
11January8° · Sea 8° · 2.0 h
In January, Chatham is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sea averages 7.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2.0 hours a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, January is not an ideal month for a holiday in Chatham.
Chatham in January11February9° · Sea 7° · 2.8 h
In February, Chatham is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 6.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2.8 hours a day. Rain is frequent, with about 10 rainy days and 45 mm in total. All in all, February is not an ideal month for a holiday in Chatham.
Chatham in February15March11° · Sea 7° · 4.1 h
In March, Chatham is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sea averages 7.2 °C – swimming is only for the hardy. Expect around 4.1 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 41 mm in total. All in all, March is not an ideal month for a holiday in Chatham.
Chatham in March21April15° · Sea 9° · 6.1 h
In April, Chatham is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 9.2 °C – swimming is only for the hardy. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 43 mm in total. All in all, April is not an ideal month for a holiday in Chatham.
Chatham in April24May18° · Sea 12° · 7.0 h
In May, Chatham is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 12.0 °C – swimming is only for the hardy. The sun shines for around 7.0 hours a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, May is not an ideal month for a holiday in Chatham.
Chatham in May36June21° · Sea 15° · 7.2 h
In June, Chatham is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 14.9 °C – swimming is only for the hardy. The sun shines for around 7.2 hours a day. Rain is frequent, with about 9 rainy days and 53 mm in total. All in all, June is not an ideal month for a holiday in Chatham.
Chatham in June50July23° · Sea 17° · 7.3 h
In July, Chatham is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7.3 hours a day. Rain is frequent, with about 11 rainy days and 54 mm in total. All in all, July is a so-so month for a holiday in Chatham – and yet one of the best months here.
Chatham in July51August23° · Sea 19° · 6.6 h
In August, Chatham is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.6 hours a day. Rain is frequent, with about 10 rainy days and 60 mm in total. All in all, August is a so-so month for a holiday in Chatham – and yet one of the best months here.
Chatham in August28September20° · Sea 17° · 5.4 h
In September, Chatham is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.4 hours of sunshine a day. Rain falls on about 8 days, adding up to 44 mm. All in all, September is not an ideal month for a holiday in Chatham.
Chatham in September12October16° · Sea 15° · 3.7 h
In October, Chatham is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3.7 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, October is not an ideal month for a holiday in Chatham.
Chatham in October10November12° · Sea 12° · 2.4 h
In November, Chatham is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 12.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 11 rainy days and 60 mm in total. All in all, November is not an ideal month for a holiday in Chatham.
Chatham in November10December9° · Sea 9° · 1.8 h
In December, Chatham is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 9.2 °C – swimming is only for the hardy. The sun is scarce, with only about 1.8 hours a day. Rain is frequent, with about 11 rainy days and 55 mm in total. All in all, December is not an ideal month for a holiday in Chatham.
Chatham in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Chatham
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 (2°), the warmest in July (13°). 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 | 11 | 8° | 3° | 7.6° | 2.0 h | 11 | 51 |
| FebruaryFeb | 11 | 9° | 2° | 6.6° | 2.8 h | 10 | 45 |
| MarchMar | 15 | 11° | 4° | 7.2° | 4.1 h | 10 | 41 |
| AprilApr | 21 | 15° | 5° | 9.2° | 6.1 h | 11 | 43 |
| MayMay | 24 | 18° | 8° | 12.0° | 7.0 h | 11 | 51 |
| JuneJun | 36 | 21° | 11° | 14.9° | 7.2 h | 9 | 53 |
| JulyJul | 50 | 23° | 13° | 17.3° | 7.3 h | 11 | 54 |
| AugustAug | 51 | 23° | 13° | 18.5° | 6.6 h | 10 | 60 |
| SeptemberSep | 28 | 20° | 11° | 17.4° | 5.4 h | 8 | 44 |
| OctoberOct | 12 | 16° | 8° | 15.0° | 3.7 h | 11 | 61 |
| NovemberNov | 10 | 12° | 5° | 12.1° | 2.4 h | 11 | 60 |
| DecemberDec | 10 | 9° | 3° | 9.2° | 1.8 h | 11 | 55 |
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
51.38° N, 0.53° E · 21 m · Europe/London
Sea temperature in Chatham
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 14.2 – 16.0 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Chatham ranges from 6.6 °C in February to 18.5 °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. From November to December the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 17.6 and 19.6 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 7.6° | 6.5° | 8.8° | cold |
| FebruaryFeb | 6.6° | 5.4° | 7.9° | cold |
| MarchMar | 7.2° | 5.4° | 8.4° | cold |
| AprilApr | 9.2° | 8.2° | 10.4° | cold |
| MayMay | 12.0° | 11.0° | 13.0° | cold |
| JuneJun | 14.9° | 14.0° | 16.0° | cold |
| JulyJul | 17.3° | 16.3° | 18.8° | fresh |
| AugustAug | 18.5° | 17.6° | 19.6° | fresh |
| SeptemberSep | 17.4° | 16.4° | 18.6° | fresh |
| OctoberOct | 15.0° | 14.2° | 16.0° | cold |
| NovemberNov | 12.1° | 11.3° | 13.4° | cold |
| DecemberDec | 9.2° | 8.1° | 10.6° | cold |
Sunshine hours in Chatham
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 3.7 of 10.8 hours of daylight in Chatham, 34 % 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 Chatham: 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, Chatham has about 11 rainy days with 61 mm of rain in total.
UV index in Chatham
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 7).
Minutes until sunburn in October
- Very fair skin
- about 70 min
- Fair skin
- about 85 min
- Light brown skin
- over 2 h
- 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 and clouds in Chatham
How breezy and how cloudy Chatham 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 Chatham typically peaks at 22 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Sep – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Chatham: mostly cloudy, with about 3.7 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.
Planning a trip to Chatham
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Chatham 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.
Chatham has its best school-holiday weather during the summer holidays (score 51) and its weakest during the Christmas holidays (score 11).
- 19
Easter holidays
Mar – Apr
Poor
- 14 °C by day
- Sea 9 °C
- 5.5 h of sun a day
- 10 rainy days a month
- 26
May half-term
May – Jun
Poor
- 18 °C by day
- Sea 13 °C
- 7.0 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 51
Summer holidays
Jul – Aug
FairBest holidays
- 23 °C by day
- Sea 18 °C
- 6.8 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 12
October half-term
Oct
Poor
- 16 °C by day
- Sea 15 °C
- 3.7 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 11
Christmas holidays
Dec – Jan
Poor
- 9 °C by day
- Sea 8 °C
- 1.9 h of sun a day
- 11 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 70 km
- Time zone
- UTC+1
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Chatham compared
Put Chatham side by side with another destination.
Chatham vs Gravesend
In October the holiday weather in Chatham and Gravesend is about equally good (score 12 vs 12). During the day it is about as warm in Gravesend as in Chatham. The sea is about equally warm.
| in October | Chatham | Gravesend |
|---|---|---|
| Holiday weather score | 12 | 12 |
| Daytime high | 16° | 16° |
| Sea | 15° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 11 | 11 |
| Best time | Jul – Aug | Jul – Aug |
Through the year
United Kingdom in October: the best places
In October, Chatham ranks 18 among the 31 nearest destinations in this country.
- Weybridge16°60
- 2London16°57
- 3Lewes16°57
- 4Slough16°55
- 5Watford16°54
- 6Woking16°54
- 7Guildford16°54
- 8Chelmsford15°53
- 18ChathamThis page16°15°12
Near Chatham
Other destinations close by.
Places with a climate like Chatham
Destinations whose weather through the year is closest to Chatham's – good alternatives.
Frequently asked questions about Chatham
When is the best time to visit Chatham?
The best time to visit Chatham is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Chatham?
The sea temperature in Chatham ranges from 6.6 °C in February to 18.5 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Chatham in October?
Only if you don't mind cold water: in October the sea averages just 15.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Chatham?
July is the warmest month, with average highs of 23 °C and nights around 13 °C. January is the coolest month at 8 °C.
When does it rain most in Chatham?
The wettest month is October with 61 mm of precipitation. The driest month is March with 41 mm.
How many hours of sunshine does Chatham get?
Chatham gets around 1,720 hours of sunshine a year. The sunniest month is July with 7.3 hours a day; in December there are 1.8 hours a day.
What time zone is Chatham in?
Chatham is on UTC+0 in January and UTC+1 in July.
Which school holidays are best for Chatham?
Chatham has its best school-holiday weather during the summer holidays (score 51) and its weakest during the Christmas holidays (score 11). Holiday ratings (0–100): Easter holidays 19, May half-term 26, summer holidays 51, October half-term 12, Christmas holidays 11.