Milton Keynes, United Kingdom Climate & Monthly Averages
Milton Keynes has an oceanic climate. July is the hottest month, averaging 71° by day; January is the coldest at 45°.
How weather changes through the year in Milton Keynes
Milton Keynes records 140 wet days and 7.4 hours of daily sunshine in an average year. Temperatures follow an oceanic pattern, running 45°F (7°C) in January up to 71°F (22°C) in July.
Milton Keynes climate quick facts
- Hottest month: July - highs near 71°F (22°C)
- Coldest month: January - highs near 45°F (7°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 19°F (-7°C) low
- Wettest month: October (12 rainy days) · Sunniest: July (10.8 h sun/day)
- Climate type: oceanic
- Annual swing: 13°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 2 days a year
- Average humidity: 80%
Temperatures, rain and sunshine
The wettest month is October (3.0 inches (76 mm) across 12 days) and the driest April. January sits at the other end of the year: 45°F (7°C) by day, 35°F (2°C) at night. July is the warm end of the year, averaging 71°F (22°C) by day and 56°F (13°C) overnight. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 19°F (-7°C).
Relative humidity averages 80% across the year, more humid than roughly 84% of the cities we track.
July is the brightest month at 10.8 hours of sun a day, against an annual average of 7.4 - duller than all but 5% of the 3496 cities in our dataset. Snow falls on roughly 2 days a year, mostly January.
Where Milton Keynes sits among other climates
- 28% of the year's precipitation falls in its wettest three months - more evenly spread than almost every other city we track.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 45° | 35° | 12 | 2.2 in | 4.2 h/day | 8.2 h | 38% | 87% |
| February | 47° | 36° | 10 | 1.9 in | 5.4 h/day | 9.8 h | 37% | 83% |
| March | 50° | 38° | 13 | 2.5 in | 6.5 h/day | 11.7 h | 43% | 81% |
| April | 55° | 40° | 11 | 1.7 in | 9.2 h/day | 13.8 h | 37% | 75% |
| May | 61° | 46° | 12 | 2.5 in | 10.3 h/day | 15.7 h | 37% | 75% |
| June | 67° | 52° | 11 | 2.4 in | 10.7 h/day | 16.7 h | 35% | 74% |
| July | 71° | 56° | 12 | 2.7 in | 10.8 h/day | 16.3 h | 38% | 72% |
| August | 70° | 56° | 12 | 2.3 in | 9.7 h/day | 14.6 h | 37% | 74% |
| September | 66° | 52° | 11 | 2.5 in | 8.1 h/day | 12.6 h | 37% | 79% |
| October | 58° | 47° | 12 | 3.0 in | 5.9 h/day | 10.5 h | 38% | 84% |
| November | 50° | 41° | 11 | 2.5 in | 4.3 h/day | 8.7 h | 38% | 88% |
| December | 47° | 39° | 14 | 2.7 in | 3.1 h/day | 7.8 h | 44% | 89% |
Milton Keynes month by month
Each card shows the average high and low. The bar places that month between Milton Keynes's coldest night and warmest afternoon.
January
- Rain
- 12 days
- Sunshine
- 4.2 h
- Daylight
- 8.2 h
February
- Rain
- 10 days
- Sunshine
- 5.4 h
- Daylight
- 9.8 h
March
- Rain
- 13 days
- Sunshine
- 6.5 h
- Daylight
- 11.7 h
April
- Rain
- 11 days
- Sunshine
- 9.2 h
- Daylight
- 13.8 h
May
- Rain
- 12 days
- Sunshine
- 10.3 h
- Daylight
- 15.7 h
June
- Rain
- 11 days
- Sunshine
- 10.7 h
- Daylight
- 16.7 h
July
- Rain
- 12 days
- Sunshine
- 10.8 h
- Daylight
- 16.3 h
August
- Rain
- 12 days
- Sunshine
- 9.7 h
- Daylight
- 14.6 h
September
- Rain
- 11 days
- Sunshine
- 8.1 h
- Daylight
- 12.6 h
October
- Rain
- 12 days
- Sunshine
- 5.9 h
- Daylight
- 10.5 h
November
- Rain
- 11 days
- Sunshine
- 4.3 h
- Daylight
- 8.7 h
December
- Rain
- 14 days
- Sunshine
- 3.1 h
- Daylight
- 7.8 h
Looking for warmer alternatives? Browse warm places by month, or compare Milton Keynes's coolest part of the year: January, December, February.
A season-by-season guide to Milton Keynes
Spring (March through May)
Spring runs cool rather than cold here - highs near 55°F (13°C), nights near 41°F (5°C), and rain falls on around 36 of the 90 days.
Summer (June through August)
Through summer, Milton Keynes is pleasantly warm: 69°F (21°C) by day, 54°F (12°C) after dark, and rain falls on around 34 of the 90 days. Daylight is generous - around 10.4 hours of sun a day.
Fall (September through November)
Fall stays on the cool side of mild here - highs near 58°F (14°C), nights near 47°F (8°C), and rain falls on around 34 of the 90 days.
Winter (December through February)
Winter is chilly here - highs near 46°F (8°C), nights near 37°F (3°C), and rain falls on around 36 of the 90 days.
Questions people ask about Milton Keynes's climate
What is the average temperature in Milton Keynes?
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The most useful weather window for Milton Keynes
Best time to visit Milton Keynes
May to September is the sweet spot for Milton Keynes - warm days, manageable rainfall and plenty of daylight line up. Expect 67°F (19°C) in the afternoon and around 11 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in May.
What to pack
Pack for Milton Keynes with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. July nights average 56°F (13°C), so evenings rarely match the afternoons.
Milton Keynes temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.