Laval weather in July

In July, Laval has daytime highs averaging 26 °C, nights around 17 °C, with 12 wet days. Figures are 1991–2020 climate normals.

  1. Jan -10°
  2. Feb -8°
  3. Mar -2°
  4. Apr
  5. May 13°
  6. Jun 19°
  7. Jul 21°
  8. Aug 20°
  9. Sep 16°
  10. Oct
  11. Nov
  12. Dec -5°

Daily temperatures through July

14° 22° 29° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 26.3 °C and lows bottom out at 16.1 °C.

How July develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 July 25.7 °C 16.8 °C 41 %
11–20 July 25.9 °C 17.3 °C 42 %
21–31 July 25.7 °C 17.2 °C 35 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 17, at 53 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical July Share of the month
Days above 25 °C 18 of 31 57 %
Days above 30 °C 2.5 of 31 8 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 12 of 31 39 %

Conditions in July

MeasureAverage
Mean temperature 21 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 9.1 °C
Relative humidity 71 %
Wind speed 17 km/h
Cloud cover 55 %

July compared with the months around it

Month Avg high Rainfall Cloud
May 18.7 °C 92 mm 62 %
June 23.5 °C 100 mm 61 %
July 25.8 °C 87 mm 55 %
August 24.7 °C 91 mm 54 %
September 20.6 °C 90 mm 55 %

See all twelve months for Laval

QuestionsJuly in Laval, answered

How warm is Laval in July?

Daily highs average 26 °C and nights fall to about 17 °C, a spread of 8.6 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.

Does it rain much in Laval in July?

July averages 87 mm of rain, spread over about 12 of the 31 days — 39 % of the month. Cloud cover averages 55 % of the sky.

How long are the days in July?

Laval averages 15 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.