Truro weather forecast
UK towns · Cornwall, England · 50.26°N 5.05°W
Truro, in Cornwall, England, has its warmest weather in August, when daytime temperatures average 19.5°C, while January nights are the coldest at around 4.5°C. The town sees roughly 1174mm of rain a year; October is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 9° | 4.5° | 98mm | 14 |
| Feb | 10.2° | 6° | 112mm | 16 |
| Mar | 10.7° | 5.9° | 112mm | 15 |
| Apr | 12.3° | 6.5° | 63mm | 11 |
| May | 15.1° | 9.1° | 75mm | 14 |
| Jun | 17.7° | 11.7° | 84mm | 14 |
| Jul | 19° | 13.3° | 87mm | 14 |
| Aug | 19.5° | 14° | 78mm | 13 |
| Sep | 18° | 12.6° | 90mm | 14 |
| Oct | 15.1° | 10.7° | 140mm | 19 |
| Nov | 12.1° | 8.2° | 107mm | 16 |
| Dec | 10.2° | 6.5° | 128mm | 17 |
Seasons in Truro
Spring (March–May). Daytime highs in Truro climb from 10.7°C in March to 15.1°C by May, while nights ease from 5.9°C to 9.1°C. The season brings around 250mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 18.7°C, peaking in August at 19.5°C. August is usually the driest of the summer months (78mm over ~13 rainy days). Around the June solstice, Truro gets roughly 16.2 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 18°C in September to 12.1°C by November, and rainfall builds to its annual peak — October is the wettest month of the year (140mm).
Winter (December–February). Nights average 5.7°C, with January the coldest month (average low 4.5°C, daytime high 9°C). Expect about 47 days with measurable rain over the three months, and only around 7.8 hours of daylight in mid-December.
How Truro compares
| Truro | UK town average | |
|---|---|---|
| Annual rainfall | 1174mm | 1054mm |
| Rainy days per year | 177 | 167 |
| Summer daytime high | 18.7°C | 19.7°C |
| Winter night low | 5.7°C | 3.4°C |
Truro is about 11% wetter than the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Truro weather FAQs
What is the warmest month in Truro?
August is typically the warmest month in Truro, with average daytime highs of 19.5°C. Summer afternoons (June–August) average around 18.7°C.
What is the wettest month in Truro?
October is usually the wettest month, with around 140mm of rain over roughly 19 rainy days. April is typically the driest (63mm).
How much does it rain in Truro per year?
Truro receives roughly 1174mm of precipitation per year, spread over about 177 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Truro?
Winter nights (December–February) in Truro average around 5.7°C, with January typically the coldest month (average low 4.5°C).
When is the best time to visit Truro for good weather?
Late spring and summer offer the most reliable weather in Truro. August is typically the driest of the warm months (78mm of rain), while August is the warmest, averaging 19.5°C by day — and near the June solstice there are around 16 hours of daylight to enjoy.
How does Truro's weather compare with the rest of the UK?
Truro receives 1174mm of rain a year, about 11% wetter than the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 18.7°C against a UK-town average of 19.7°C, and winter nights average 5.7°C versus 3.4°C.
Is it going to rain in Truro?
For up-to-the-minute rain tracking, check the live rain radar — as a long-term guide, Truro averages 177 rainy days a year, with October the wettest month (140mm) and April the driest (63mm).
What is the 7-day forecast for Truro?
See the live hourly and 7-day forecast for day-by-day temperatures and rain chance. The figures on this page are long-term climate averages from 2020–2024, not the live forecast.