Climate and monthly weather forecastIsehara, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Isehara, Japan, is another chilly winter month, with temperature in the range of an average high of 8.3°C (46.9°F) and an average low of 2.8°C (37°F). January, having an average high-temperature of 8.3°C (46.9°F) and an average low-temperature of 2.8°C (37°F), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Isehara, is another chilly month, with an average temperature fluctuating between 3.4°C (38.1°F) and 8.9°C (48°F). The onset of February brings an average high-temperature of a still chilly 8.9°C (48°F), nearly matching the January temperature. Weather in February »Weather in March
March, the first month of the spring in Isehara, is a fresh month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 12.1°C (53.8°F). With the onset of March, Isehara's weather sees a minor temperature rise, transitioning from a frosty 8.9°C (48°F) in February to a cool 12.1°C (53.8°F). Weather in March »Weather in April
April in Isehara, Japan, is a refreshing spring month, with an average temperature varying between 16.4°C (61.5°F) and 10.2°C (50.4°F). With the transition into April, Isehara experiences a subtle uplift in average high-temperatures, adjusting from a fresh 12.1°C (53.8°F) in March to a comfortable 16.4°C (61.5°F). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Isehara, Japan, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 15.1°C (59.2°F). The shift into May is marked by a modest rise in the average high-temperature, moving from April's enjoyable 16.4°C (61.5°F) to a pleasant 21.3°C (70.3°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Isehara, Japan, with an average temperature ranging between max 23.3°C (73.9°F) and min 18.4°C (65.1°F). The advent of June reveals an average high-temperature of a warm 23.3°C (73.9°F), showing minimal difference from the prior month. Weather in June »Weather in July
July, like June, in Isehara, Japan, is a moderately hot summer month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 27.6°C (81.7°F). The beginning of July signals a minor rise in the average high-temperature, moving from a moderately hot 23.3°C (73.9°F) in June to a still warm 27.6°C (81.7°F). Weather in July »Weather in August
August, the last month of the summer in Isehara, is also a moderately hot month, with an average temperature varying between 24°C (75.2°F) and 29.2°C (84.6°F). In Isehara, August is the month with the highest recorded average temperatures, measuring a high of 29.2°C (84.6°F) and a low of 24°C (75.2°F). The heat index for August is computed to be a very hot 35°C (95°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Isehara, Japan, with an average temperature ranging between max 25.4°C (77.7°F) and min 20.4°C (68.7°F). In Isehara, the average high-temperature in September gently drops from a moderately hot 29.2°C (84.6°F) in August to a still warm 25.4°C (77.7°F). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Isehara, Japan, with an average temperature fluctuating between 20.6°C (69.1°F) and 15.6°C (60.1°F). As Isehara enters October, the average high-temperature subtly lowers from the a moderately hot 25.4°C (77.7°F) of September to an agreeable 20.6°C (69.1°F). Weather in October »Weather in November
November, the last month of the autumn in Isehara, is another refreshing month, with an average temperature varying between 15.7°C (60.3°F) and 10.6°C (51.1°F). With the commencement of November, Isehara records a moderate temperature decline, with the average high easing from October's pleasant 20.6°C (69.1°F) to a mild 15.7°C (60.3°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Isehara, Japan, with an average temperature fluctuating between 5.8°C (42.4°F) and 10.8°C (51.4°F). The advent of December brings a subtle shift in temperature, with the average high moving from a mild 15.7°C (60.3°F) in November to a fresh 10.8°C (51.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Isehara, Japan
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.3°C).
The month with the highest average low temperature is August (24°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure
Isehara, Japan
- Average pressure in January:
1016.4mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1016.4mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1016.5mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed
Isehara, Japan
- Average wind speed in January:
13.1km/h - Average wind speed in February:
13.8km/h - Average wind speed in March:
14.9km/h - Average wind speed in April:
14.9km/h - Average wind speed in May:
13.5km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
12.2km/h - Average wind speed in September:
12.6km/h - Average wind speed in October:
14km/h - Average wind speed in November:
12.5km/h - Average wind speed in December:
13.2km/h
The windiest months (with the highest average wind speed) are March and April (14.9km/h).
The calmest month (with the lowest average wind speed) is June (12km/h).
Average humidity
Isehara, Japan
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is January (63%).
Average rainfall
Isehara, Japan
The wettest month (with the highest rainfall) is July (81mm).
The driest months (with the least rainfall) are January and February (19mm).
Average rainfall days
Isehara, Japan
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is December (7.5 days).
Average snowfall
Isehara, Japan
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Isehara, Japan
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 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 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Isehara, Japan
- Average daylight in January:
10h and 6min - 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 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - 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 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
5h and 48min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 42min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 6min - Average sunshine in December:
6h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days
Isehara, Japan
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
6.5 days - Average sunshine days in August:
8.3 days - Average sunshine days in September:
11.4 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is July (6.5 days).
Average UV index
Isehara, Japan
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Isehara, Japan
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility
Isehara, Japan
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).





