Ipswich, United Kingdom Climate & Monthly Averages
Ipswich has an oceanic climate. August is the hottest month, averaging 71° by day; January is the coldest at 45°.
How weather changes through the year in Ipswich
Set in England, United Kingdom, Ipswich works through an oceanic year: August afternoons near 71°F (22°C), January afternoons near 45°F (7°C), and about 27.0 inches (686 mm) of precipitation between them.
Ipswich climate quick facts
- Hottest month: August - highs near 71°F (22°C)
- Coldest month: January - highs near 45°F (7°C)
- Decade extremes (2015-2024): 93°F (34°C) high · 22°F (-6°C) low
- Wettest month: October (12 rainy days) · Sunniest: June (11.8 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
August is the warm end of the year, averaging 71°F (22°C) by day and 57°F (14°C) overnight. January is the coolest month, with highs of 45°F (7°C) and lows near 36°F (2°C). Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 93°F (34°C) and the lowest daily minimum 22°F (-6°C). Relative humidity averages 80% across the year, more humid than roughly 84% of the cities we track.
Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September. Days and nights are about 7°C apart on average - narrower than about 86% of the cities we track. Snow falls on roughly 2 days a year, mostly January. June is the brightest month at 11.8 hours of sun a day, against an annual average of 8.0 - duller than about 83% of the cities we track.
Where Ipswich sits among other climates
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities 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° | 36° | 11 | 2.2 in | 4.5 h/day | 8.2 h | 35% | 86% |
| February | 48° | 37° | 11 | 1.9 in | 5.5 h/day | 9.8 h | 38% | 82% |
| March | 50° | 39° | 13 | 2.2 in | 6.9 h/day | 11.7 h | 43% | 80% |
| April | 54° | 41° | 9 | 1.5 in | 10.2 h/day | 13.8 h | 31% | 76% |
| May | 62° | 47° | 12 | 2.2 in | 11.1 h/day | 15.7 h | 37% | 76% |
| June | 68° | 53° | 10 | 2.3 in | 11.8 h/day | 16.7 h | 33% | 75% |
| July | 71° | 57° | 11 | 2.4 in | 11.5 h/day | 16.3 h | 36% | 73% |
| August | 71° | 57° | 10 | 2.4 in | 10.7 h/day | 14.6 h | 34% | 75% |
| September | 67° | 54° | 10 | 1.9 in | 8.9 h/day | 12.6 h | 32% | 78% |
| October | 59° | 49° | 12 | 2.9 in | 6.3 h/day | 10.5 h | 38% | 83% |
| November | 51° | 42° | 11 | 2.4 in | 4.7 h/day | 8.7 h | 35% | 86% |
| December | 48° | 40° | 13 | 2.7 in | 3.4 h/day | 7.8 h | 42% | 88% |
Ipswich month by month
Each card shows the average high and low. The bar places that month between Ipswich's coldest night and warmest afternoon.
January
- Rain
- 11 days
- Sunshine
- 4.5 h
- Daylight
- 8.2 h
February
- Rain
- 11 days
- Sunshine
- 5.5 h
- Daylight
- 9.8 h
March
- Rain
- 13 days
- Sunshine
- 6.9 h
- Daylight
- 11.7 h
April
- Rain
- 9 days
- Sunshine
- 10.2 h
- Daylight
- 13.8 h
May
- Rain
- 12 days
- Sunshine
- 11.1 h
- Daylight
- 15.7 h
June
- Rain
- 10 days
- Sunshine
- 11.8 h
- Daylight
- 16.7 h
July
- Rain
- 11 days
- Sunshine
- 11.5 h
- Daylight
- 16.3 h
August
- Rain
- 10 days
- Sunshine
- 10.7 h
- Daylight
- 14.6 h
September
- Rain
- 10 days
- Sunshine
- 8.9 h
- Daylight
- 12.6 h
October
- Rain
- 12 days
- Sunshine
- 6.3 h
- Daylight
- 10.5 h
November
- Rain
- 11 days
- Sunshine
- 4.7 h
- Daylight
- 8.7 h
December
- Rain
- 13 days
- Sunshine
- 3.4 h
- Daylight
- 7.8 h
Looking for warmer alternatives? Browse warm places by month, or compare Ipswich's coolest part of the year: January, February, December.
A season-by-season guide to Ipswich
Spring (March through May)
Through spring, Ipswich is mild: 55°F (13°C) by day, 42°F (6°C) after dark, and rain falls on around 34 of the 90 days.
Summer (June through August)
Through summer, Ipswich settles into easy warmth: 70°F (21°C) by day, 56°F (13°C) after dark, and rain falls on around 32 of the 90 days. Daylight is generous - around 11.3 hours of sun a day.
Fall (September through November)
Fall runs cool rather than cold here - highs near 59°F (15°C), nights near 48°F (9°C), and rain falls on around 32 of the 90 days.
Winter (December through February)
Winter is brisk and cold here - highs near 47°F (8°C), nights near 38°F (3°C), and rain falls on around 35 of the 90 days.
Questions people ask about Ipswich's climate
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The most useful weather window for Ipswich
Best time to visit Ipswich
May to October is the sweet spot for Ipswich - 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 Ipswich with a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Even in August, lows of 57°F (14°C) make an extra layer worth the space.
Ipswich 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.