Climate and monthly weather forecastIsagawa, Japan
Climate and monthly weather forecast
Weather in January
January, like December, in Isagawa, Japan, is another comfortable winter month, with temperature in the range of an average low of 16.3°C (61.3°F) and an average high of 18.6°C (65.5°F). With average high and low temperatures of 18.6°C (65.5°F) and 16.3°C (61.3°F) respectively, January is Isagawa's coldest month. Weather in January »Weather in February
February, the last month of the winter in Isagawa, is also an enjoyable month, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 16.8°C (62.2°F). February's beginning signals an average high-temperature of a still comfortable 19.2°C (66.6°F), barely different from January's 18.6°C (65.5°F). Weather in February »Weather in March
March, the first month of the spring in Isagawa, is an agreeable month, with an average temperature fluctuating between 18°C (64.4°F) and 20.3°C (68.5°F). March ushers in an average high-temperature of a pleasant 20.3°C (68.5°F), aligning closely with the preceding month. Weather in March »Weather in April
April, the same as March, in Isagawa, Japan, is an agreeable spring month, with an average temperature fluctuating between 19.9°C (67.8°F) and 22.3°C (72.1°F). Isagawa starts April with an average high-temperature of a still pleasant 22.3°C (72.1°F), a minor shift from March's 20.3°C (68.5°F). Weather in April »Weather in May
May, the last month of the spring in Isagawa, is a moderately hot month, with an average temperature fluctuating between 22.7°C (72.9°F) and 24.7°C (76.5°F). May's presence records an average high-temperature of a moderately hot 24.7°C (76.5°F), closely mirroring April's climate. Weather in May »Weather in June
June, the first month of the summer in Isagawa, is still a warm month, with an average temperature ranging between max 27.3°C (81.1°F) and min 25.4°C (77.7°F). Isagawa marks the onset of June with an average high-temperature of a still moderately hot 27.3°C (81.1°F), subtly divergent from May's 24.7°C (76.5°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Isagawa, Japan, with an average temperature varying between 29.3°C (84.7°F) and 27.4°C (81.3°F). With the start of July, Isagawa measures an average high-temperature of a still moderately hot 29.3°C (84.7°F), not significantly differing from June's 27.3°C (81.1°F). Weather in July »Weather in August
August, the last month of the summer in Isagawa, is another warm month, with temperature in the range of an average low of 27.8°C (82°F) and an average high of 29.4°C (84.9°F). August is the warmest month, with an average high-temperature of 29.4°C (84.9°F) and an average low-temperature of 27.8°C (82°F). During August, the heat index is calculated to be a fiery hot 36°C (96.8°F). Weather in August »Weather in September
September, the first month of the autumn in Isagawa, is also a moderately hot month, with an average temperature ranging between min 26.9°C (80.4°F) and max 28.7°C (83.7°F). A minor adjustment in Isagawa's average high-temperature is noted with the start of September, touching a still moderately hot 28.7°C (83.7°F) from August's 29.4°C (84.9°F). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Isagawa, Japan, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 24.6°C (76.3°F). October's onset brings an average high-temperature of a still moderately hot 26.3°C (79.3°F), showing a minute difference from September's 28.7°C (83.7°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Isagawa, Japan, with an average temperature fluctuating between 23.6°C (74.5°F) and 21.7°C (71.1°F). November brings an average high-temperature of a still moderately hot 23.6°C (74.5°F), showing a slight difference from October's 26.3°C (79.3°F). Weather in November »Weather in December
The first month of the winter, December, is also an agreeable month in Isagawa, Japan, with an average temperature varying between 18.3°C (64.9°F) and 20.2°C (68.4°F). The beginning of December brings a minor change in the average high-temperature, shifting from a warm 23.6°C (74.5°F) in November to an agreeable 20.2°C (68.4°F). Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January proves to be the coldest month, recording an average maximum temperature of 18.6°C (65.5°F) and a minimum temperature of 16.3°C (61.3°F).
January is the least humid month in Isagawa, with an average relative humidity of 72%.
January is the month with the least rainfall in Isagawa. Rain falls for 21.2 days and accumulates 63mm (2.48") of precipitation.
Throughout the year, there are 229 rainfall days, and 1489mm (58.62") of precipitation is accumulated.
The month with the least sunshine in Isagawa, Japan, is January, with an average of 4.1h of sunshine.
The months with the lowest UV index in Isagawa are January and December, with an average maximum UV index of 4.
The most humid month in Isagawa is June, with an average relative humidity of 87%.
The month with the most rainfall in Isagawa, Japan, is June, when the rain falls for 22.6 days and typically aggregates up to 228mm (8.98") of precipitation.
The month with the longest days in Isagawa, Japan, is June, with an average of 13h and 48min of daylight.
The months with the highest UV index in Isagawa, Japan, are June through September, with an average maximum UV index of 7.
The month with the most sunshine in Isagawa, Japan, is July, with an average of 10.2h of sunshine.
In Isagawa, Japan, the peak average temperatures are observed in August, with a high of 29.4°C (84.9°F) and a low of 27.8°C (82°F).
With an average of 10h and 30min of daylight, December has the shortest days of the year in Isagawa, Japan.
Isagawa does not utilize Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Isagawa, Japan
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).
The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure
Isagawa, Japan
- Average pressure in January:
1021mbar - Average pressure in February:
1019.7mbar - Average pressure in March:
1018mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1011.2mbar - Average pressure in June:
1008.2mbar
- Average pressure in July:
1008.4mbar - Average pressure in August:
1006.7mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1013mbar - Average pressure in November:
1018mbar - Average pressure in December:
1020mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).
Average wind speed
Isagawa, Japan
- Average wind speed in January:
24.8km/h - Average wind speed in February:
23.3km/h - Average wind speed in March:
23km/h - Average wind speed in April:
21.3km/h - Average wind speed in May:
18.4km/h - Average wind speed in June:
20km/h
- Average wind speed in July:
20.4km/h - Average wind speed in August:
20.7km/h - Average wind speed in September:
21.4km/h - Average wind speed in October:
25.6km/h - Average wind speed in November:
23.8km/h - Average wind speed in December:
25.7km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity
Isagawa, Japan
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall
Isagawa, Japan
- Average rainfall in January:
63mm - Average rainfall in February:
64mm - Average rainfall in March:
88mm - Average rainfall in April:
104mm - Average rainfall in May:
196mm - Average rainfall in June:
228mm
The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days
Isagawa, Japan
- Average rainfall days in January:
21.2 days - Average rainfall days in February:
17 days - Average rainfall days in March:
17.4 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
22.6 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
20 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
16.2 days - Average rainfall days in December:
20.4 days
The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).
Average daylight / Average sunshine
Isagawa, Japan
- Average daylight in January:
10h and 42min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 30min - Average daylight in June:
13h and 48min
- Average daylight in July:
13h and 36min - Average daylight in August:
13h and 6min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 54min - Average daylight in December:
10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
5h and 6min - Average sunshine in March:
5h and 48min - Average sunshine in April:
6h and 42min - Average sunshine in May:
7h and 54min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 6min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Isagawa, Japan
- Average sunshine days in January:
6.6 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
5.4 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
6.5 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
11 days - Average sunshine days in December:
7.1 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).
Average UV index
Isagawa, Japan
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Isagawa, Japan
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Isagawa, Japan
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
