Climate Insights for Hōfu

Hofu Shi, Yamaguchi, Japan

Hottest
August
30°C peak
Coldest
January
5°C low
Wettest
July
283mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Hōfu is temperate. The average annual temperature is 17°C and approximately 1830mm of precipitation falls per year. Hōfu receives a notable amount of rainfall throughout the year, including during its driest month. Hōfu is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 5°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 9° Average: 7° Min: 5° Feb Max: 10° Average: 7° Min: 5° Mar Max: 13° Average: 10° Min: 8° Apr Max: 17° Average: 14° Min: 12° May Max: 21° Average: 18° Min: 16° Jun Max: 24° Average: 22° Min: 20° Jul Max: 28° Average: 26° Min: 24° Aug Max: 30° Average: 27° Min: 26° Sep Max: 27° Average: 24° Min: 22° Oct Max: 22° Average: 19° Min: 17° Nov Max: 17° Average: 14° Min: 12° Dec Max: 11° Average: 9° Min: 7°
Max
Average
Min

Temperatures in Hōfu vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between November and December, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 72mm Snow: 3mm Feb Precipitation: 84mm Snow: 1mm Mar Precipitation: 124mm Snow: 0mm Apr Precipitation: 170mm Snow: 0mm May Precipitation: 176mm Snow: 0mm Jun Precipitation: 262mm Snow: 0mm Jul Precipitation: 283mm Snow: 0mm Aug Precipitation: 202mm Snow: 0mm Sep Precipitation: 208mm Snow: 0mm Oct Precipitation: 101mm Snow: 0mm Nov Precipitation: 78mm Snow: 0mm Dec Precipitation: 71mm Snow: 1mm
Precipitation
Snow

Hōfu is a fairly wet location, receiving approximately 1830mm of precipitation annually, which averages out to around 152mm per month. The wettest month is July, averaging 283mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 71mm. That's 212mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 23km/h Feb Wind Speed: 23km/h Mar Wind Speed: 21km/h Apr Wind Speed: 20km/h May Wind Speed: 18km/h Jun Wind Speed: 17km/h Jul Wind Speed: 16km/h Aug Wind Speed: 17km/h Sep Wind Speed: 18km/h Oct Wind Speed: 19km/h Nov Wind Speed: 20km/h Dec Wind Speed: 24km/h
Wind Speed

Hōfu is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 23km/h in winter, 20km/h in spring, 17km/h in summer, 19km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Hōfu, which began on March 20, 2026. Hōfu is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near 5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 8 to 21°C. Rainfall is heavy, totalling around 470mm across the season with a monthly average of 157mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 30°C. Rainfall is heavy, totalling around 747mm across the season with a monthly average of 249mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 12 to 27°C. Rainfall is heavy, totalling around 387mm across the season with a monthly average of 129mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 5 to 11°C. Precipitation is moderate at around 227mm for the season, averaging 76mm per month. Winds are moderate at around 23km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Hōfu based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
5 °C
9 °C
23 km/h
72 mm
3 cm
Feb
5 °C
10 °C
23 km/h
84 mm
1 cm
Mar Current
8 °C
13 °C
21 km/h
124 mm
0 cm
Apr
12 °C
17 °C
20 km/h
170 mm
0 cm
May
16 °C
21 °C
18 km/h
176 mm
0 cm
Jun
20 °C
24 °C
17 km/h
262 mm
0 cm
Jul
24 °C
28 °C
16 km/h
283 mm
0 cm
Aug
26 °C
30 °C
17 km/h
202 mm
0 cm
Sep
22 °C
27 °C
18 km/h
208 mm
0 cm
Oct
17 °C
22 °C
19 km/h
101 mm
0 cm
Nov
12 °C
17 °C
20 km/h
78 mm
0 cm
Dec
7 °C
11 °C
24 km/h
71 mm
1 cm
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Metric (°C, km/h)