Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January, with its average high-temperature of -0.2°C (31.6°F) and an average low-temperature of -8.8°C (16.2°F), holds the record as the coldest month.Humidity
In Iwamurada, Japan, the average relative humidity in January is 83%.Rainfall
In Iwamurada, Japan, during January, the rain falls for 13.3 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Iwamurada, there are 193.2 rainfall days, and 926mm (36.46") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Iwamurada. The month with the most snowfall is January, when snow falls for 22 days and typically aggregates up to 276mm (10.87") of snow.Daylight
In Iwamurada, the average length of the day in January is 10h and 1min.On the first day of the month, sunrise is at 06:57 and sunset at 16:41. On the last day of January, in Iwamurada, sunrise is at 06:48 and sunset at 17:10 JST.
Sunshine
The average sunshine in January is 5.6h.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Iwamurada?
How cold is January in Iwamurada?
What is the average humidity in January in Iwamurada?
How much does it rain in Iwamurada in January?
When does it snow the most in Iwamurada?
How much does it snow in Iwamurada in January?
How many hours of daylight does Iwamurada have in January?
What time are sunrise and sunset in January in Iwamurada?
How long on average sun shines in January in Iwamurada?
When is the lowest UV index in Iwamurada?
How high is the UV index in January in Iwamurada?
Average temperature in January
Iwamurada, Japan
- Average high temperature in January: -0.2°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in January: -8.8°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in January
Iwamurada, Japan
- Average pressure in January: 1017.5mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in January
Iwamurada, Japan
- Average wind speed in January: 9.5km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in January
Iwamurada, Japan
- Average humidity in January: 83%
The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in January
Iwamurada, Japan
- Average rainfall in January: 49mm
The wettest month (with the highest rainfall) is October (137mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in January
Iwamurada, Japan
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (13.3 days).
Average snowfall in January
Iwamurada, Japan
- Average snowfall in January: 276mm
The month with the highest snowfall is January (276mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Iwamurada, Japan
- Average snowfall days in January: 22 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Iwamurada, Japan
- Average daylight in January: 10h and 0min
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: 5h and 4min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in January
Iwamurada, Japan
- Average sunshine days in January: 6.3 days
The month with the most sunshine days is July (14.9 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in January
Iwamurada, Japan
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Iwamurada, Japan
- Average cloud cover in January: 47
The month with the most cloud cover is September (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in January
Iwamurada, Japan
- Average visibility in January: 8km
The months with the highest visibility are January, March, April, May and December (8km).
The months with the lowest visibility are July, August, September and October (6km).
