Climate averages 1991–2020

Tallinn weather
in July.

A mild, moderately wet month: the warmest and the 10th driest of the year.

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

Average high 21.5°C Daytime mean, July
Average low 14.5°C Night-time mean, July
Rainfall 68 mm 12 days with ≥1 mm
Daylight 18 h Sunrise to sunset, per day
Every month in Tallinn · average highYear overview

July is a mild month in Tallinn: daytime highs average 21.5°C and nights cool to about 14.5°C. By daytime temperature it is the warmest month of the year.

Expect about 68 mm of rain on roughly 12 days, which makes July a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 17 h 50 min on an average July day.

The nearest other city in this atlas is Helsinki (82 km away). In July its highs average 20.8°C, 0.7°C cooler than Tallinn, with 76 mm of rain.

Among the 2 cities listed in Estonia, Tallinn ranks 2nd of 2 for the warmest July highs and joint 1st of 2 for the driest July (rainfall, lowest first). The mean July high of those 2 cities is 21.7°C; Tallinn is 0.2°C cooler than that mean.

From July to August, average highs fall by 1.2°C to 20.3°C, and monthly rainfall rises from 68 mm to 77 mm.

The annual picture

July 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. -10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation 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

Tallinn climate table

1991–2020
Monthly climate averages for Tallinn, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.5°C-5.4°C-5.4°C4310.76.97 h
February -1.9°C-6.4°C-6.4°C359.39.29 h
March 1.9°C-3.8°C-3.8°C338.411.812 h
April 8.7°C0.9°C0.9°C368.614.514 h
May 14.6°C6.1°C6.1°C418.617.017 h
June 18.6°C11.0°C11.0°C7011.318.519 h
July, selected 21.5°C14.5°C14.5°C6811.817.818 h
August 20.3°C13.8°C13.8°C7712.915.616 h
September 15.3°C9.9°C9.9°C6011.712.913 h
October 8.8°C4.7°C4.7°C6412.510.310 h
November 3.6°C0.5°C0.5°C5111.07.78 h
December 0.5°C-2.9°C-2.9°C4811.26.26 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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

July in nearby cities

Distance from Tallinn

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 Tallinn) is explained once on the Tallinn year overview and on the Sources, method and limits page.