Climate averages 1991–2020

Leiden weather
in June.

A mild, moderately wet month: the 3rd warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 18.4°C Daytime mean, June
Average low 12.4°C Night-time mean, June
Rainfall 61 mm 11 days with ≥1 mm
Daylight 17 h Sunrise to sunset, per day
Every month in Leiden · average highYear overview

June is a mild month in Leiden: daytime highs average 18.4°C and nights cool to about 12.4°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 61 mm of rain on roughly 11 days, which makes June a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 40 min on an average June day.

The nearest other city in this atlas is Zoetermeer (11 km away). In June its highs average 19.0°C, 0.6°C warmer than Leiden, with 64 mm of rain.

Among the 44 cities listed in the Netherlands, Leiden ranks joint 37th of 44 for the warmest June highs and joint 5th of 44 for the driest June (rainfall, lowest first). The mean June high of those 44 cities is 19.5°C; Leiden is 1.1°C cooler than that mean.

From June to July, average highs rise by 2.2°C to 20.6°C, and monthly rainfall rises from 61 mm to 77 mm.

The annual picture

June in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 0510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Leiden climate table

1991–2020
Monthly climate averages for Leiden, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 6.0°C2.3°C2.3°C7213.68.38 h
February 6.4°C2.1°C2.1°C5711.69.910 h
March 9.0°C3.7°C3.7°C5411.311.812 h
April 12.5°C6.0°C6.0°C4510.113.914 h
May 15.8°C9.6°C9.6°C5810.415.716 h
June, selected 18.4°C12.4°C12.4°C6111.016.717 h
July 20.6°C14.8°C14.8°C7712.416.216 h
August 20.8°C15.1°C15.1°C9013.314.715 h
September 18.0°C12.9°C12.9°C8713.012.713 h
October 14.1°C9.6°C9.6°C9314.010.711 h
November 9.8°C6.1°C6.1°C8315.38.99 h
December 6.7°C3.3°C3.3°C8414.67.88 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Leiden

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Leiden) is explained once on the Leiden year overview and on the Sources, method and limits page.