April weather forecastRumoi, Japan
April
Weather in April
April in Rumoi, Japan, is a frosty spring month, with temperature in the range of an average low of 2.2°C (36°F) and an average high of 6.9°C (44.4°F).Temperature
April's arrival coincides with a temperature rise, moving from March's cold 1.3°C (34.3°F) to a frosty 6.9°C (44.4°F). April nights reveal a minor deviation from daytime highs, with a mean low-temperature of 2.2°C (36°F).Humidity
In Rumoi, the average relative humidity in April is 78%.Rainfall
In Rumoi, in April, it is raining for 11.2 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 792mm (31.18") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rumoi, in April, snow falls for 4.9 days, with typically accumulated 51mm (2.01") of snow. Throughout the year, there are 84.9 snowfall days, and 1049mm (41.3") of snow is accumulated.Daylight
In April, the average length of the day in Rumoi is 13h and 27min.On the first day of April in Rumoi, sunrise is at 05:14 and sunset at 18:00. On the last day of the month, sunrise is at 04:26 and sunset at 18:35 JST.
Sunshine
In April, the average sunshine in Rumoi is 8.3h.UV index
In Rumoi, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rumoi, Japan
- Average high temperature in April: 6.9°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in April: 2.2°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in April
Rumoi, Japan
- Average pressure in April: 1011.7mbar
The month with the highest atmospheric pressure is November (1015.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in April
Rumoi, Japan
- Average wind speed in April: 16.9km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in April
Rumoi, Japan
- Average humidity in April: 78%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Rumoi, Japan
- Average rainfall in April: 36mm
The wettest month (with the highest rainfall) is August (136mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in April
Rumoi, Japan
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in April
Rumoi, Japan
- Average snowfall in April: 51mm
The month with the highest snowfall is December (260mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Rumoi, Japan
- Average snowfall days in April: 4.9 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rumoi, Japan
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 8h and 18min
The months with the most sunshine are May and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 1h and 24min).
Average sunshine days in April
Rumoi, Japan
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in April
Rumoi, Japan
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Rumoi, Japan
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 88).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in April
Rumoi, Japan
- Average visibility in April: 9km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February and December (8km).
