Luton, United Kingdom Climate & Monthly Averages
Luton has an oceanic climate. July is the hottest month, averaging 71° by day; January is the coldest at 44°.
How weather changes through the year in Luton
Expect mild temperatures year-round with regular rainfall in Luton: that is what an oceanic climate means in practice. Highs peak at 71°F (22°C) in July and fall to 44°F (7°C) by January, with 7.2 hours of sun on an average day.
Luton climate quick facts
- Hottest month: July - highs near 71°F (22°C)
- Coldest month: January - highs near 44°F (7°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 15°F (-9°C) low
- Wettest month: October (12 rainy days) · Sunniest: June (10.7 h sun/day)
- Climate type: oceanic
- Annual swing: 13°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 3 days a year
- Average humidity: 81%
Temperatures, rain and sunshine
January is the coolest month, with highs of 44°F (7°C) and lows near 34°F (1°C). At its warmest, in July, Luton runs to 71°F (22°C) in the afternoon and back to 56°F (13°C) by dawn. Days and nights are about 7°C apart on average - narrower than about 80% of the cities we track.
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is August through September. Sunshine averages 7.2 hours a day over the year - duller than all but 3% of the 3496 cities in our dataset, peaking in June at 10.7 hours. Relative humidity averages 81% across the year, more humid than roughly 88% of the cities we track. Snow falls on roughly 3 days a year, mostly January.
Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 15°F (-9°C).
Where Luton 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 | 44° | 34° | 12 | 2.3 in | 4.2 h/day | 8.3 h | 37% | 88% |
| February | 47° | 36° | 10 | 1.9 in | 5.1 h/day | 9.9 h | 36% | 84% |
| March | 50° | 38° | 13 | 2.4 in | 6.2 h/day | 11.7 h | 43% | 81% |
| April | 55° | 40° | 10 | 1.6 in | 9.2 h/day | 13.8 h | 34% | 76% |
| May | 61° | 46° | 11 | 2.5 in | 10.1 h/day | 15.6 h | 35% | 76% |
| June | 67° | 52° | 11 | 2.5 in | 10.7 h/day | 16.7 h | 35% | 74% |
| July | 71° | 56° | 13 | 2.5 in | 10.7 h/day | 16.2 h | 41% | 73% |
| August | 70° | 55° | 11 | 2.4 in | 9.6 h/day | 14.6 h | 36% | 75% |
| September | 65° | 51° | 11 | 2.5 in | 8.0 h/day | 12.6 h | 36% | 79% |
| October | 58° | 47° | 12 | 3.0 in | 5.9 h/day | 10.5 h | 39% | 85% |
| November | 50° | 40° | 12 | 2.5 in | 4.2 h/day | 8.7 h | 38% | 89% |
| December | 47° | 39° | 13 | 2.7 in | 3.0 h/day | 7.8 h | 43% | 90% |
Luton month by month
Each card shows the average high and low. The bar places that month between Luton's coldest night and warmest afternoon.
January
- Rain
- 12 days
- Sunshine
- 4.2 h
- Daylight
- 8.3 h
- Snow
- 1 day
February
- Rain
- 10 days
- Sunshine
- 5.1 h
- Daylight
- 9.9 h
March
- Rain
- 13 days
- Sunshine
- 6.2 h
- Daylight
- 11.7 h
April
- Rain
- 10 days
- Sunshine
- 9.2 h
- Daylight
- 13.8 h
May
- Rain
- 11 days
- Sunshine
- 10.1 h
- Daylight
- 15.6 h
June
- Rain
- 11 days
- Sunshine
- 10.7 h
- Daylight
- 16.7 h
July
- Rain
- 13 days
- Sunshine
- 10.7 h
- Daylight
- 16.2 h
August
- Rain
- 11 days
- Sunshine
- 9.6 h
- Daylight
- 14.6 h
September
- Rain
- 11 days
- Sunshine
- 8.0 h
- Daylight
- 12.6 h
October
- Rain
- 12 days
- Sunshine
- 5.9 h
- Daylight
- 10.5 h
November
- Rain
- 12 days
- Sunshine
- 4.2 h
- Daylight
- 8.7 h
December
- Rain
- 13 days
- Sunshine
- 3.0 h
- Daylight
- 7.8 h
Looking for warmer alternatives? Browse warm places by month, or compare Luton's coolest part of the year: January, February, December.
A season-by-season guide to Luton
Spring (March through May)
Spring in Luton is crisp but comfortable, with daytime highs averaging 55°F (13°C) and nights around 41°F (5°C); rain falls on around 35 of the 90 days.
Summer (June through August)
Summer in Luton settles into easy warmth, with daytime highs averaging 69°F (21°C) and nights around 54°F (12°C); rain falls on around 35 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.
Fall (September through November)
Fall in Luton stays on the cool side of mild, with daytime highs averaging 58°F (14°C) and nights around 46°F (8°C); rain falls on around 34 of the 90 days.
Winter (December through February)
Winter in Luton is brisk and cold, with daytime highs averaging 46°F (8°C) and nights around 36°F (2°C); rain falls on around 35 of the 90 days.
Questions people ask about Luton's climate
Is Luton cold in winter?
What is the average temperature in Luton?
How does Luton compare to other cities?
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The most useful weather window for Luton
Best time to visit Luton
May to June and August to September is the sweet spot for Luton - warm days, manageable rainfall and plenty of daylight line up. Expect 66°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 Luton with a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Note the gap between afternoon and night: July pairs 71°F (22°C) with 56°F (13°C).
Luton 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.