Truro in Summer
In summer (June, July and August), Truro sees average daytime highs around 19°C and overnight lows near 13°C, with 173 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 17°C in early June to 19°C by late August. The sky is clear or mostly clear about 15% of the time across summer, and the air most often feels dry.
Summer is Truro's best season of the year to visit on our travel score. For the whole year in context, see Truro's year-round climate.
- Avg daytime high
- 19°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 173 mm
- 32 wet days
- Avg wind
- 16 km/h
- Travel score
- 5.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Truro in Summer
Over the season highs climb from about 17°C in early June to 19°C by late August.
A typical summer day in Truro reaches about 19°C and drops to 13°C overnight. The warmest of the three months is July, the coolest June.
Truro weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 9° / 5° | 73 | 13.2 | 8.3 | 1.7 |
| Feb | 9° / 5° | 60 | 11.1 | 9.7 | 1.7 |
| Mar | 11° / 6° | 57 | 11.5 | 11.5 | 2.4 |
| Apr | 13° / 7° | 61 | 12.2 | 13.5 | 3.2 |
| May | 15° / 9° | 58 | 11.3 | 15.2 | 4.4 |
| Jun | 18° / 12° | 58 | 10.8 | 16.1 | 5.5 |
| Jul | 20° / 14° | 56 | 10.3 | 15.7 | 6.0 |
| Aug | 20° / 14° | 60 | 10.6 | 14.3 | 5.9 |
| Sep | 18° / 12° | 51 | 9.3 | 12.4 | 5.7 |
| Oct | 15° / 10° | 77 | 12.7 | 10.5 | 4.1 |
| Nov | 12° / 7° | 76 | 13.6 | 8.8 | 2.7 |
| Dec | 10° / 6° | 78 | 13.4 | 7.9 | 2.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 15% of the time across summer.
Chance of precipitation in Summer
Truro gets around 173 mm of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 16 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 48 min in early June to 13 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.9 kWh/m².
Is summer a good time to visit Truro?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Truro for sightseeing.
What to pack for Truro in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Truro sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear and sun protection. About 32 days see rain.
Sea temperature near Truro in Summer
The nearest coast averages about 16°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 17°C and coldest in March near 9°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 10 | 9 | 10 | 12 | 14 | 16 | 17 | 16 | 15 | 13 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 10 | Bracing |
| Mar | 9 | Bracing |
| Apr | 10 | Bracing |
| May | 12 | Bracing |
| Jun | 14 | Bracing |
| Jul | 16 | Cool |
| Aug | 17 | Cool |
| Sep | 16 | Cool |
| Oct | 15 | Bracing |
| Nov | 13 | Bracing |
| Dec | 11 | Bracing |
UV index in Truro in Summer
Clear-sky midday UV across summer averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Truro peaks around August 14 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 5 | 6 | 6 | 6 | 7 | 5 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Truro?
Truro sits at 50.3°N, 5.1°W, 15 m above sea level, in United Kingdom. The nearest listed city is Falmouth, 12 km away.
Topography around Truro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Truro.
Within 3 km, the terrain around Truro has only modest variations in elevation — a maximum elevation change of 107 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 521 m.
The land around Truro is covered by grassland (41%) and trees (35%) within 3 km, grassland (40%) and trees (20%) within 16 km, and water (68%) and grassland (21%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Truro (50.2653°, -5.0544°, elevation 15 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.