Climate Insights for Kamimaruko

Ueda Shi, Nagano-ken, Japan

Hottest
August
29°C peak
Coldest
January
-3°C low
Wettest
July
181mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Kamimaruko is temperate. The average annual temperature is 12°C and approximately 1342mm of precipitation falls per year. Kamimaruko receives a notable amount of rainfall throughout the year, including during its driest month. Kamimaruko 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 -3°C. Snowfall occurs from January to December, with around 141cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 4° Average: 0° Min: -3° Feb Max: 5° Average: 1° Min: -3° Mar Max: 10° Average: 5° Min: 1° Apr Max: 16° Average: 10° Min: 5° May Max: 21° Average: 16° Min: 10° Jun Max: 24° Average: 19° Min: 15° Jul Max: 28° Average: 23° Min: 19° Aug Max: 29° Average: 24° Min: 20° Sep Max: 25° Average: 20° Min: 16° Oct Max: 18° Average: 13° Min: 9° Nov Max: 12° Average: 7° Min: 3° Dec Max: 6° Average: 2° Min: -1°
Max
Average
Min

Temperatures in Kamimaruko vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 59mm Snow: 36mm Feb Precipitation: 66mm Snow: 33mm Mar Precipitation: 106mm Snow: 42mm Apr Precipitation: 112mm Snow: 7mm May Precipitation: 125mm Snow: 0mm Jun Precipitation: 151mm Snow: 0mm Jul Precipitation: 181mm Snow: 0mm Aug Precipitation: 117mm Snow: 0mm Sep Precipitation: 142mm Snow: 0mm Oct Precipitation: 155mm Snow: 0mm Nov Precipitation: 68mm Snow: 3mm Dec Precipitation: 60mm Snow: 20mm
Precipitation
Snow

Kamimaruko is a fairly wet location, receiving approximately 1342mm of precipitation annually, which averages out to around 112mm per month. The wettest month is July, averaging 181mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 59mm. That's 121mm 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. Snowfall is a regular feature from January to December, with around 141cm accumulating over the season. March typically sees the most snow at around 42cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 7km/h Mar Wind Speed: 7km/h Apr Wind Speed: 7km/h May Wind Speed: 6km/h Jun Wind Speed: 5km/h Jul Wind Speed: 4km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 6km/h Dec Wind Speed: 6km/h
Wind Speed

Kamimaruko is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

Seasons

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

3 days until Autumn

It is currently summer in Kamimaruko, which began on June 21, 2026. Kamimaruko 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 29°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

Spring

Temperatures range from 1 to 21°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 15 to 29°C. Rainfall is heavy, totalling around 448mm across the season with a monthly average of 149mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 25°C. Rainfall is heavy, totalling around 365mm across the season with a monthly average of 122mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -3 to 6°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Expect around 89cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Kamimaruko 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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
-3 °C
4 °C
6 km/h
59 mm
36 cm
Feb
-3 °C
5 °C
7 km/h
66 mm
33 cm
Mar
1 °C
10 °C
7 km/h
106 mm
42 cm
Apr
5 °C
16 °C
7 km/h
112 mm
7 cm
May
10 °C
21 °C
6 km/h
125 mm
0 cm
Jun
15 °C
24 °C
5 km/h
151 mm
0 cm
Jul
19 °C
28 °C
4 km/h
181 mm
0 cm
Aug
20 °C
29 °C
5 km/h
117 mm
0 cm
Sep Current
16 °C
25 °C
5 km/h
142 mm
0 cm
Oct
9 °C
18 °C
5 km/h
155 mm
0 cm
Nov
3 °C
12 °C
6 km/h
68 mm
3 cm
Dec
-1 °C
6 °C
6 km/h
60 mm
20 cm
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Metric (°C, km/h)