Potters Bar in Summer
In summer (June, July and August), Potters Bar sees average daytime highs around 21°C and overnight lows near 13°C, with 177 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 18°C in early June to 20°C by late August. The sky is clear or mostly clear about 14% of the time across summer, and the air most often feels dry.
Summer is Potters Bar's best season of the year to visit on our travel score. For the whole year in context, see Potters Bar's year-round climate.
- Avg daytime high
- 21°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 177 mm
- 32 wet days
- Avg wind
- 14 km/h
- Travel score
- 6.1
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Potters Bar in Summer
Over the season highs climb from about 18°C in early June to 20°C by late August.
A typical summer day in Potters Bar reaches about 21°C and drops to 13°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Potters Bar
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Potters Bar 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 53 | 11 | 0.9 | 8.1 | 0.9 |
| Feb | 8° / 2° | 43 | 9.7 | 1.2 | 9.6 | 1.1 |
| Mar | 10° / 4° | 43 | 10.3 | 0.7 | 11.5 | 2.2 |
| Apr | 13° / 5° | 50 | 11.2 | 0.2 | 13.6 | 3.5 |
| May | 16° / 8° | 54 | 10.2 | 0 | 15.4 | 4.9 |
| Jun | 19° / 11° | 58 | 10.4 | 0 | 16.3 | 5.8 |
| Jul | 21° / 13° | 57 | 11 | 0 | 15.9 | 6.3 |
| Aug | 21° / 13° | 62 | 10.8 | 0 | 14.4 | 6.2 |
| Sep | 18° / 11° | 49 | 9.5 | 0 | 12.4 | 5.7 |
| Oct | 14° / 8° | 58 | 10.7 | 0 | 10.4 | 4.0 |
| Nov | 10° / 5° | 60 | 10.7 | 0.2 | 8.6 | 2.2 |
| Dec | 8° / 3° | 56 | 11.2 | 1.1 | 7.7 | 1.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 14% of the time across summer.
Chance of precipitation in Summer
Potters Bar gets around 177 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 16 h 06 min in early June to 13 h 30 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 4.8 kWh/m².
Is summer a good time to visit Potters Bar?
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 Potters Bar for sightseeing.
What to pack for Potters Bar in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Potters Bar sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 32 days see rain.
UV index in Potters Bar 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 Potters Bar peaks around August 10 at about 6 (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 | 3 | 6 | 6 | 6 | 6 | 4 | 2 | 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 | 3 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Potters Bar?
Potters Bar sits at 51.7°N, 0.2°W, 125 m above sea level, in United Kingdom. The nearest listed city is Hadley Wood, 3.0 km away.
Topography around Potters Bar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Potters Bar.
Within 3 km, the terrain around Potters Bar has only modest variations in elevation — a maximum elevation change of 83 m around an average of 103 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, significant variations in elevation — a maximum elevation change of 305 m.
The land around Potters Bar is covered by trees (37%) and grassland (32%) within 3 km, trees (37%), artificial surfaces (25%) and grassland (24%) within 16 km, and cropland (35%), grassland (28%) and trees (24%) 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 Potters Bar (51.6935°, -0.1784°, elevation 125 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.