Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
April's onset is marked by a subtle temperature increase, moving from a moderate 13.1°C (55.6°F) in March to a still refreshing 17.8°C (64°F). An average nighttime temperature of 9.8°C (49.6°F) is witnessed in Niiza throughout April.Humidity
In April, the average relative humidity is 65%.Rainfall
In April, the rain falls for 15.1 days. Throughout April, 82mm (3.23") of precipitation is accumulated. Throughout the year, there are 161.9 rainfall days, and 857mm (33.74") of precipitation is accumulated.Snowfall
In Niiza, snow does not fall in April through October and December.Daylight
In April, the average length of the day is 13h and 6min.On the first day of April, sunrise is at 05:27 and sunset at 18:03. On the last day of the month, sunrise is at 04:50 and sunset at 18:27 JST.
Sunshine
In Niiza, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Niiza is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Niiza in April?
What is the average humidity in April in Niiza?
How much does it rain in Niiza in April?
When it does not snow in Niiza?
Does it snow in Niiza in April?
What is the average length of the day in April in Niiza?
What time are sunrise and sunset in April in Niiza?
How many hours of sunshine does Niiza have in April?
What is the UV index reading in April in Niiza?
Average temperature in April
Niiza, Japan
- Average high temperature in April: 17.8°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in April: 9.8°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in April
Niiza, Japan
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in April
Niiza, Japan
- Average wind speed in April: 12.9km/h
The windiest month (with the highest average wind speed) is April (12.9km/h).
The calmest month (with the lowest average wind speed) is November (10.1km/h).
Average humidity in April
Niiza, Japan
- Average humidity in April: 65%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).
Average rainfall in April
Niiza, Japan
- Average rainfall in April: 82mm
The wettest month (with the highest rainfall) is October (121mm).
The driest months (with the least rainfall) are February and December (34mm).
Average rainfall days in April
Niiza, Japan
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Niiza, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in April
Niiza, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in April /
Average sunshine in April
Niiza, Japan
- Average daylight in April: 13h and 1min
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 April: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in April
Niiza, Japan
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in April
Niiza, Japan
- Average UV index in April: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in April
Niiza, Japan
- Average cloud cover in April: 39
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Niiza, Japan
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, May, August, October, November and December (10km).
The months with the lowest visibility are April, June, July and September (9km).
