How warm is it in London in June?

Daytime highs averaged 21.5 °C, night-time lows 11.1 °C. The highest value of the past 10 years was 32.9 °C (24 Jun 2026), the lowest 5.4 °C (9 Jun 2024).

How often does it rain in London in June?

On average there were 8.8 rain days (at least 1 mm) with 53.9 mm of precipitation in total. In 1 of 10 years there was no rain day at all.

🇬🇧 Weather in London in June

This is what the weather in London (United Kingdom) was like in June in 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

21.5 °C

19.9 °C – 23.5 °C

Avg. night-time low

11.1 °C

9.4 °C – 12.9 °C

Avg. rain days in period

8.8

29 % of days · ≥ 1.0 mm

Avg. precipitation in period

53.9 mm

5.5 mm – 104 mm

Avg. cloud cover

65 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 32.9 °C (24 Jun 2026) · Lowest temperature 5.4 °C (9 Jun 2024) · Avg. daily peak wind 23 km/h

Weather mix of all days

39Sunny
96Partly cloudy
77Cloudy
57Light rain
31Rain

Summary

On average 21.5 °C during the day and 11.1 °C at night.
On average 8.8 rain days (Rain day = at least 1.0 mm of precipitation) with 53.9 mm of precipitation in total.
In 1 of 10 years there was not a single rain day.
Prevailing: Partly cloudy.
Warmest year: 2025 (avg. 23.5 °C), coolest: 2020 (avg. 19.9 °C).
Wettest year: 2019 (104 mm), driest: 2018 (5.5 mm).
Extremes: 32.9 °C on 24 Jun 2026 and 5.4 °C on 9 Jun 2024.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max23.1°Avg. min12.9°
Rain days
11 Rain days
Precipitation
48.3 mm
Avg. cloud cover
65 % cloudy
Sea temperature
–
Max 32.9 °C · Min 7.4 °C
2025
Avg. max23.5°Avg. min12.2°
Rain days
6 Rain days
Precipitation
29.4 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 30.4 °C · Min 7.7 °C
2024
Avg. max19.9°Avg. min9.4°
Rain days
6 Rain days
Precipitation
21.9 mm
Avg. cloud cover
60 % cloudy
Sea temperature
–
Max 27.1 °C · Min 5.4 °C
2023
Avg. max22.9°Avg. min11.7°
Rain days
5 Rain days
Precipitation
45.8 mm
Avg. cloud cover
55 % cloudy
Sea temperature
–
Max 27.6 °C · Min 7.2 °C
2022
Avg. max21.0°Avg. min10.3°
Rain days
10 Rain days
Precipitation
54.0 mm
Avg. cloud cover
64 % cloudy
Sea temperature
–
Max 28.1 °C · Min 6.6 °C
2021
Avg. max21.0°Avg. min11.2°
Rain days
11 Rain days
Precipitation
99.4 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 25.8 °C · Min 7.5 °C
2020
Avg. max19.9°Avg. min10.4°
Rain days
16 Rain days
Precipitation
68.0 mm
Avg. cloud cover
69 % cloudy
Sea temperature
–
Max 27.9 °C · Min 5.8 °C
2019
Avg. max20.0°Avg. min10.5°
Rain days
14 Rain days
Precipitation
104 mm
Avg. cloud cover
75 % cloudy
Sea temperature
–
Max 28.6 °C · Min 7.5 °C
2018
Avg. max22.0°Avg. min10.6°
Rain days
0 Rain days
Precipitation
5.5 mm
Avg. cloud cover
57 % cloudy
Sea temperature
–
Max 26.6 °C · Min 7.3 °C
2017
Avg. max22.0°Avg. min11.9°
Rain days
9 Rain days
Precipitation
62.5 mm
Avg. cloud cover
69 % cloudy
Sea temperature
–
Max 29.0 °C · Min 8.1 °C

Frequently asked questions

How warm is it in London in June?: Daytime highs averaged 21.5 °C, night-time lows 11.1 °C. The highest value of the past 10 years was 32.9 °C (24 Jun 2026), the lowest 5.4 °C (9 Jun 2024).
How often does it rain in London in June?: On average there were 8.8 rain days (at least 1 mm) with 53.9 mm of precipitation in total. In 1 of 10 years there was no rain day at all.

Check your exact travel dates

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)