Climate and monthly weather forecastAnnaka, Japan
Climate and monthly weather forecast
Weather in January
January, like December, in Annaka, Japan, is a wintry winter month, with an average temperature varying between 3.4°C (38.1°F) and -4.4°C (24.1°F). In Annaka, the lowest temperatures are generally noted in January, averaging a high of 3.4°C (38.1°F) and a low of -4.4°C (24.1°F). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Annaka, Japan, with an average temperature ranging between min -4°C (24.8°F) and max 4.4°C (39.9°F). Annaka's shift into February sets the average high-temperature at a still wintry 4.4°C (39.9°F), a figure that deviates only slightly from January's 3.4°C (38.1°F). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Annaka, Japan, with temperature in the range of an average high of 8.8°C (47.8°F) and an average low of -0.6°C (30.9°F). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from a cold 4.4°C (39.9°F) in February to a chilly 8.8°C (47.8°F). Weather in March »Weather in April
April is a moderate spring month in Annaka, Japan, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 14.3°C (57.7°F). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 8.8°C (47.8°F) to a mild 14.3°C (57.7°F). Weather in April »Weather in May
May, the last month of the spring in Annaka, is an agreeable month, with an average temperature ranging between max 20.4°C (68.7°F) and min 9.6°C (49.3°F). The onset of May marks an increase in the average high-temperature, moving from a refreshing 14.3°C (57.7°F) in April to a pleasant 20.4°C (68.7°F). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Annaka, Japan, with an average temperature ranging between max 23°C (73.4°F) and min 13.6°C (56.5°F). June registers an average high-temperature of a warm 23°C (73.4°F), slightly varied from May's 20.4°C (68.7°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Annaka, Japan, with an average temperature fluctuating between 18.2°C (64.8°F) and 26.8°C (80.2°F). In Annaka, the average high-temperature in July slightly increases from a warm 23°C (73.4°F) in June to a still moderately hot 26.8°C (80.2°F). Weather in July »Weather in August
August, the last month of the summer in Annaka, is another warm month, with an average temperature ranging between max 28.4°C (83.1°F) and min 19.3°C (66.7°F). August brings the highest temperatures, with an average high of 28.4°C (83.1°F) and an average low of 19.3°C (66.7°F). For most parts of August, the heat index is computed to be a hot 33°C (91.4°F). Weather in August »Weather in September
September, the first month of the autumn in Annaka, is also a moderately hot month, with temperature in the range of an average low of 14.8°C (58.6°F) and an average high of 23.5°C (74.3°F). In September, the average high-temperature marginally drops from 28.4°C (83.1°F) in August to a still warm 23.5°C (74.3°F). Weather in September »Weather in October
October, like September, in Annaka, Japan, is another enjoyable autumn month, with an average temperature ranging between max 18.1°C (64.6°F) and min 9.5°C (49.1°F). In October, the average high-temperature goes from a moderately hot 23.5°C (74.3°F) in September to a refreshing 18.1°C (64.6°F). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Annaka, Japan, with an average temperature ranging between max 12.3°C (54.1°F) and min 4.1°C (39.4°F). Arrival of November comes with a reduction in the average high-temperature, falling from an enjoyable 18.1°C (64.6°F) in October to a cool 12.3°C (54.1°F). Weather in November »Weather in December
December, the first month of the winter in Annaka, is still a chilly month, with an average temperature varying between 6.2°C (43.2°F) and -0.9°C (30.4°F). December indicates a shift in the average high-temperature, from November's cool 12.3°C (54.1°F) to a frosty 6.2°C (43.2°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Annaka, Japan
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (3.4°C).
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure
Annaka, Japan
- Average pressure in January:
1017.3mbar - Average pressure in February:
1018.2mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.5mbar - Average pressure in September:
1013.9mbar - Average pressure in October:
1017.2mbar - Average pressure in November:
1018.8mbar - Average pressure in December:
1017.1mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Annaka, Japan
- Average wind speed in January:
10km/h - Average wind speed in February:
9.5km/h - Average wind speed in March:
9.4km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
7.7km/h - Average wind speed in June:
6.4km/h
- Average wind speed in July:
5.4km/h - Average wind speed in August:
5.5km/h - Average wind speed in September:
6.5km/h - Average wind speed in October:
7.4km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
9.2km/h
The windiest month (with the highest average wind speed) is January (10km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).
Average humidity
Annaka, Japan
The months with the highest relative humidity are July and September (81%).
The months with the lowest relative humidity are March and April (70%).
Average rainfall
Annaka, Japan
The wettest month (with the highest rainfall) is July (149mm).
The driest month (with the least rainfall) is December (19mm).
Average rainfall days
Annaka, Japan
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
21.8 days
- Average rainfall days in July:
24.7 days - Average rainfall days in August:
23.8 days - Average rainfall days in September:
17.2 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Annaka, Japan
The month with the highest snowfall is February (72mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Annaka, Japan
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Annaka, Japan
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 0min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 6min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 54min
The month with the most sunshine is May (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days
Annaka, Japan
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
15 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
5.8 days
- Average sunshine days in July:
4.5 days - Average sunshine days in August:
5.4 days - Average sunshine days in September:
9.3 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (4.5 days).
Average UV index
Annaka, Japan
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Annaka, Japan
The months with the most cloud cover are June and July (Cloud cover 47).
The months with the least cloud cover are November and December (Cloud cover 27).
Average visibility
Annaka, Japan
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are June, July, August, September and October (8km).





