April weather forecastShimabara, Japan
April
Weather in April
April in Shimabara, Japan, is an enjoyable spring month, with an average temperature fluctuating between 18.1°C (64.6°F) and 11.8°C (53.2°F).Temperature
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a mild 14°C (57.2°F) to an enjoyable 18.1°C (64.6°F). In Shimabara, the April nights cool down to an average low of 11.8°C (53.2°F).Humidity
In April, the average relative humidity in Shimabara is 72%.Rainfall
In Shimabara, in April, during 12.6 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, in Shimabara, there are 163.3 rainfall days, and 865mm (34.06") of precipitation is accumulated.Snowfall
March through November are months without snowfall in Shimabara.Sea temperature
In Shimabara, in April, the average water temperature is 16.8°C (62.2°F).Note: Swimming in water with a temperature of 16.8°C (62.2°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
The average length of the day in April in Shimabara is 12h and 59min.On the first day of the month, sunrise is at 06:06 and sunset at 18:38. On the last day of April, sunrise is at 05:32 and sunset at 18:59 JST.
Sunshine
In April, the average sunshine in Shimabara is 8.9h.UV index
In Shimabara, Japan, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Shimabara, Japan
- Average high temperature in April: 18.1°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (9.6°C).
- Average low temperature in April: 11.8°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).
Average pressure in April
Shimabara, Japan
- Average pressure in April: 1015.3mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in April
Shimabara, Japan
- Average wind speed in April: 11.2km/h
The windiest months (with the highest average wind speed) are February, March and December (12.5km/h).
The calmest month (with the lowest average wind speed) is June (8.9km/h).
Average humidity in April
Shimabara, Japan
- Average humidity in April: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (70%).
Average rainfall in April
Shimabara, Japan
- Average rainfall in April: 59mm
The wettest month (with the highest rainfall) is July (183mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in April
Shimabara, Japan
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in April
Shimabara, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Shimabara, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Shimabara, Japan
- Average sea temperature in April: 16.8°C
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is March (15.5°C).
Average daylight in April /
Average sunshine in April
Shimabara, Japan
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Shimabara, Japan
- Average sunshine days in April: 15.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Shimabara, Japan
- Average UV index in April: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
Shimabara, Japan
- Average cloud cover in April: 38
The month with the most cloud cover is June (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in April
Shimabara, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
