Climate averages 1991–2020
Anan weather
in April.
A mild, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Anan: daytime highs average 17.5°C and nights cool to about 12.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 137 mm of rain on roughly 11 days, which makes April a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average April day.
The nearest other city in this atlas is Tokushima (18 km away). In April its highs average 17.9°C, about as warm as Anan, with 151 mm of rain.
Among the 303 cities listed in Japan, Anan ranks joint 136th of 303 for the warmest April highs and joint 209th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Anan is 0.7°C warmer than that mean.
From April to May, average highs rise by 3.6°C to 21.0°C, and monthly rainfall rises from 137 mm to 165 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.8°C5.3°C | 5.3°C | 78 | 9.4 | 10.210 h |
| February | 10.5°C5.4°C | 5.4°C | 85 | 10.4 | 10.911 h |
| March | 13.4°C7.7°C | 7.7°C | 128 | 11.7 | 12.012 h |
| April, selected | 17.5°C12.0°C | 12.0°C | 137 | 10.6 | 13.013 h |
| May | 21.0°C16.3°C | 16.3°C | 165 | 10.6 | 13.914 h |
| June | 23.9°C20.1°C | 20.1°C | 243 | 13.8 | 14.414 h |
| July | 27.5°C24.0°C | 24.0°C | 187 | 11.8 | 14.214 h |
| August | 28.7°C25.2°C | 25.2°C | 113 | 9.4 | 13.413 h |
| September | 25.9°C22.4°C | 22.4°C | 220 | 13.5 | 12.412 h |
| October | 21.5°C17.6°C | 17.6°C | 212 | 11.2 | 11.411 h |
| November | 16.9°C12.4°C | 12.4°C | 104 | 8.6 | 10.410 h |
| December | 12.1°C7.6°C | 7.6°C | 84 | 8.0 | 9.910 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
April in nearby cities
- Tokushima in AprilJapan · 18 kmHigh 17.9°C · Low 10.2°C · 151 mm rain
- Minato in AprilJapan · 57 kmHigh 17.3°C · Low 10.0°C · 126 mm rain
- Tanabe in AprilJapan · 69 kmHigh 18.3°C · Low 11.6°C · 158 mm rain
- Takamatsu in AprilJapan · 72 kmHigh 17.1°C · Low 10.3°C · 113 mm rain
- Izumisano in AprilJapan · 83 kmHigh 18.5°C · Low 8.7°C · 113 mm rain
- Akashi in AprilJapan · 88 kmHigh 17.1°C · Low 9.6°C · 116 mm rain
- Marugame in AprilJapan · 90 kmHigh 17.0°C · Low 10.2°C · 110 mm rain
- Kishiwada in AprilJapan · 90 kmHigh 17.7°C · Low 7.9°C · 113 mm rain
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 limitsHow 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.