Climate averages 1991–2020

Anan weather
in July.

A warm, very wet month: the 2nd warmest and the 9th driest of the year.

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

Average high 27.5°C Daytime mean, July
Average low 24.0°C Night-time mean, July
Rainfall 187 mm 12 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Anan · average highYear overview

July is a warm month in Anan: daytime highs average 27.5°C and nights cool to about 24.0°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 187 mm of rain on roughly 12 days, which makes July a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 10 min on an average July day.

The nearest other city in this atlas is Tokushima (18 km away). In July its highs average 28.5°C, 1.0°C warmer than Anan, with 261 mm of rain.

Among the 303 cities listed in Japan, Anan ranks joint 203rd of 303 for the warmest July highs and joint 114th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Anan is 0.4°C cooler than that mean.

From July to August, average highs rise by 1.2°C to 28.7°C, and monthly rainfall falls from 187 mm to 113 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. 05101520253035 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 2500

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

Every month, side by side

Anan climate table

1991–2020
Monthly climate averages for Anan, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 9.8°C5.3°C5.3°C789.410.210 h
February 10.5°C5.4°C5.4°C8510.410.911 h
March 13.4°C7.7°C7.7°C12811.712.012 h
April 17.5°C12.0°C12.0°C13710.613.013 h
May 21.0°C16.3°C16.3°C16510.613.914 h
June 23.9°C20.1°C20.1°C24313.814.414 h
July, selected 27.5°C24.0°C24.0°C18711.814.214 h
August 28.7°C25.2°C25.2°C1139.413.413 h
September 25.9°C22.4°C22.4°C22013.512.412 h
October 21.5°C17.6°C17.6°C21211.211.411 h
November 16.9°C12.4°C12.4°C1048.610.410 h
December 12.1°C7.6°C7.6°C848.09.910 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

July in nearby cities

Distance from Anan

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