Guyancourt Weather in June
Average highs run from 22°C on June 1 to 25°C on June 30, and lows from 11°C to 14°C. Normal precipitation for the month is 56 mm over about 12 wet days.
June day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 23°C
- Average low
- 13°C
- Precipitation
- 56 mm
- Record high
- 41°CJun 24, 2026
- Record low
- 3°CJun 1, 2006
- Daylight
- 15 h 53 min to 16 h 07 min
- Cloud cover
- 69%
- Humidity
- 76%
- Dew point
- 12°C
- Wind
- 14.4 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 22°C | 11°C | 31°C 1922 | 3°C 2006 | 42% |
| Jun 2 | 23°C | 13°C | 32°C 1947 | 3°C 1962 | 42% |
| Jun 3 | 22°C | 13°C | 32°C 1947 | 4°C 1962 | 42% |
| Jun 4 | 21°C | 12°C | 30°C 2022 | 3°C 1975 | 43% |
| Jun 5 | 22°C | 12°C | 33°C 2015 | 4°C 1991 | 44% |
| Jun 6 | 22°C | 13°C | 33°C 1996 | 4°C 1923 | 44% |
| Jun 7 | 23°C | 13°C | 34°C 1996 | 5°C 1974 | 44% |
| Jun 8 | 22°C | 13°C | 31°C 2004 | 6°C 1952 | 44% |
| Jun 9 | 23°C | 13°C | 32°C 1948 | 7°C 1965 | 44% |
| Jun 10 | 23°C | 13°C | 32°C 1996 | 6°C 1959 | 43% |
| Jun 11 | 22°C | 13°C | 31°C 2006 | 4°C 1955 | 41% |
| Jun 12 | 22°C | 12°C | 33°C 2006 | 6°C 1921 | 40% |
| Jun 13 | 22°C | 12°C | 34°C 2025 | 6°C 2008 | 39% |
| Jun 14 | 23°C | 13°C | 31°C 2021 | 7°C 1955 | 38% |
| Jun 15 | 22°C | 13°C | 31°C 2022 | 6°C 1956 | 37% |
| Jun 16 | 23°C | 13°C | 33°C 2021 | 6°C 1971 | 36% |
| Jun 17 | 24°C | 13°C | 34°C 2002 | 6°C 1987 | 34% |
| Jun 18 | 24°C | 14°C | 37°C 2026 | 4°C 1923 | 32% |
| Jun 19 | 24°C | 13°C | 36°C 2026 | 4°C 1923 | 32% |
| Jun 20 | 24°C | 13°C | 36°C 2026 | 5°C 2004 | 31% |
| Jun 21 | 24°C | 14°C | 37°C 2017 | 4°C 1964 | 29% |
| Jun 22 | 23°C | 13°C | 38°C 2026 | 6°C 1964 | 29% |
| Jun 23 | 24°C | 13°C | 37°C 2026 | 7°C 1921 | 29% |
| Jun 24 | 24°C | 13°C | 41°C 2026 | 8°C 1952 | 30% |
| Jun 25 | 25°C | 14°C | 40°C 2026 | 6°C 1978 | 32% |
| Jun 26 | 25°C | 14°C | 37°C 2026 | 6°C 1978 | 33% |
| Jun 27 | 25°C | 15°C | 37°C 2026 | 7°C 1923 | 33% |
| Jun 28 | 26°C | 15°C | 35°C 1976 | 6°C 1962 | 34% |
| Jun 29 | 25°C | 15°C | 35°C 1976 | 8°C 1983 | 35% |
| Jun 30 | 25°C | 14°C | 36°C 2025 | 5°C 1981 | 35% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- June 1
- sunrise 5:53 AM, sunset 9:46 PM
- June 30
- sunrise 5:52 AM, sunset 9:59 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FRM00007149, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.