Climate Insights for Ama

Oki-gun, Shimane-ken, Japan

Hottest
August
28°C peak
Coldest
February
6°C low
Wettest
September
214mm rain
Best to Visit
November
Mild temps & low rain

Climate Overview

The climate in Ama is temperate. The average annual temperature is 17°C and approximately 1693mm of precipitation falls per year. Ama receives a notable amount of rainfall throughout the year, including during its driest month. Ama 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 February, January, December, when temperatures can drop to 6°C. Light snow can occur between January and December.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 9° Average: 8° Min: 6° Feb Max: 9° Average: 7° Min: 6° Mar Max: 12° Average: 10° Min: 9° Apr Max: 15° Average: 14° Min: 12° May Max: 18° Average: 17° Min: 16° Jun Max: 22° Average: 21° Min: 20° Jul Max: 26° Average: 25° Min: 25° Aug Max: 28° Average: 27° Min: 27° Sep Max: 25° Average: 25° Min: 24° Oct Max: 21° Average: 20° Min: 19° Nov Max: 16° Average: 15° Min: 14° Dec Max: 11° Average: 10° Min: 9°
Max
Average
Min

Temperatures in Ama vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 6°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 142mm Snow: 21mm Feb Precipitation: 114mm Snow: 16mm Mar Precipitation: 114mm Snow: 0mm Apr Precipitation: 116mm Snow: 0mm May Precipitation: 113mm Snow: 0mm Jun Precipitation: 154mm Snow: 0mm Jul Precipitation: 197mm Snow: 0mm Aug Precipitation: 183mm Snow: 0mm Sep Precipitation: 214mm Snow: 0mm Oct Precipitation: 115mm Snow: 0mm Nov Precipitation: 88mm Snow: 0mm Dec Precipitation: 145mm Snow: 8mm
Precipitation
Snow

Ama is a fairly wet location, receiving approximately 1693mm of precipitation annually, which averages out to around 141mm per month. The wettest month is September, averaging 214mm of rainfall. July and August also tend to see above-average precipitation. The driest month is November, with just 88mm. That's 125mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 45cm annually. January is the snowiest month with approximately 21cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 31km/h Feb Wind Speed: 29km/h Mar Wind Speed: 26km/h Apr Wind Speed: 24km/h May Wind Speed: 21km/h Jun Wind Speed: 19km/h Jul Wind Speed: 19km/h Aug Wind Speed: 20km/h Sep Wind Speed: 22km/h Oct Wind Speed: 24km/h Nov Wind Speed: 27km/h Dec Wind Speed: 32km/h
Wind Speed

Ama is moderately windy, with an average annual wind speed of 25km/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 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 13km/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 31km/h in winter, 24km/h in spring, 19km/h in summer, 24km/h in autumn.

Seasons

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

87 days until Winter

It is currently autumn in Ama, which began on September 23, 2026. Ama 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 28°C, while the coldest stretch bottoms out in February near 6°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 9 to 18°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 534mm across the season with a monthly average of 178mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 14 to 25°C. Rainfall is heavy, totalling around 417mm across the season with a monthly average of 139mm. Winds are moderate at around 24km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 6 to 11°C. Rainfall is heavy, totalling around 401mm across the season with a monthly average of 134mm. Expect around 45cm of snow accumulation during this period. Winds are strong, averaging 31km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 8°
Feb 7°
Mar 10°
Apr 14°
May 17°
Jun 21°
Jul 25°
Aug 27°
Sep 25°
Oct 20°
Nov 15°
Dec 10°

The best time to visit Ama is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 88mm per month. By contrast, August can be uncomfortably hot with highs reaching 28°C, while February is the coldest period with lows dropping to 6°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Ama 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
6 °C
9 °C
31 km/h
142 mm
21 cm
Feb
6 °C
9 °C
29 km/h
114 mm
16 cm
Mar
9 °C
12 °C
26 km/h
114 mm
0 cm
Apr
12 °C
15 °C
24 km/h
116 mm
0 cm
May
16 °C
18 °C
21 km/h
113 mm
0 cm
Jun
20 °C
22 °C
19 km/h
154 mm
0 cm
Jul
25 °C
26 °C
19 km/h
197 mm
0 cm
Aug
27 °C
28 °C
20 km/h
183 mm
0 cm
Sep Current
24 °C
25 °C
22 km/h
214 mm
0 cm
Oct
19 °C
21 °C
24 km/h
115 mm
0 cm
Nov
14 °C
16 °C
27 km/h
88 mm
0 cm
Dec
9 °C
11 °C
32 km/h
145 mm
8 cm
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Metric (°C, km/h)