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
The commencement of April sees a shift in the average high-temperature, moving from a frosty 8.3°C (46.9°F) in March to a mild 13.5°C (56.3°F). Iwanuma experiences a consistent average temperature of 6.2°C (43.2°F) throughout the nights in April.Humidity
April is the least humid month in Iwanuma, with an average relative humidity of 72%.Rainfall
In Iwanuma, in April, it is raining for 12.7 days, with typically 72mm (2.83") of accumulated precipitation. In Iwanuma, during the entire year, the rain falls for 141.6 days and collects up to 753mm (29.65") of precipitation.Snowfall
January through April and December are months with snowfall in Iwanuma. April is the last month it regularly snows. During 0.3 snowfall days, in April, Iwanuma aggregates 8mm (0.31") of snow. In Iwanuma, during the entire year, snow falls for 19.2 days and aggregates up to 203mm (7.99") of snow.Daylight
The average length of the day in April is 13h and 11min.On the first day of April, sunrise is at 05:21 and sunset at 17:59. On the last day of the month, sunrise is at 04:41 and sunset at 18:26 JST.
Sunshine
In Iwanuma, the average sunshine in April is 9.1h.UV index
In Iwanuma, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Iwanuma?
What is the least humid month in Iwanuma?
What is the average humidity in April in Iwanuma?
How many days does it rain in April in Iwanuma?
What is the last month it snows in Iwanuma?
How many hours of daylight does Iwanuma have in April?
What time are sunrise and sunset in April in Iwanuma?
How long on average sun shines in April in Iwanuma?
What is the UV index reading in April in Iwanuma?
Average temperature in April
Iwanuma, Japan
- Average high temperature in April: 13.5°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in April: 6.2°C
The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is February (-1.2°C).
Average pressure in April
Iwanuma, Japan
- Average pressure in April: 1014.7mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in April
Iwanuma, Japan
- Average wind speed in April: 13.4km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (8.4km/h).
Average humidity in April
Iwanuma, Japan
- Average humidity in April: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Iwanuma, Japan
- Average rainfall in April: 72mm
The wettest month (with the highest rainfall) is July (118mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in April
Iwanuma, Japan
- Average rainfall days in April: 12.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
Iwanuma, Japan
- Average snowfall in April: 8mm
The month with the highest snowfall is January (67mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Iwanuma, Japan
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Iwanuma, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in April
Iwanuma, Japan
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in April
Iwanuma, Japan
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in April
Iwanuma, Japan
- Average cloud cover in April: 38
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in April
Iwanuma, Japan
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
