April Weather in Hitachi, Japan

Last updated: August 23, 2025

In April, the average temperature in Hitachi, Japan hovers around 13°C (55°F), with minimums dipping to 4°C (40°F) and maximums peaking at 21°C (70°F). Be prepared for some rain, as precipitation averages 133 mm (5.2 in) over 12 days. With an average humidity of 73%, it's a month where you might want to carry an umbrella and wear a light jacket!

April Temperature in Hitachi

In April in Hitachi, the average temperature hovers around 13°C (55°F). The maximum can reach up to 21°C (70°F), while the minimum can drop to as low as 4°C (40°F). This mild climate is perfect for exploring the local attractions and enjoying outdoor activities.

April Weather in Hitachi: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hitachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitachi, April typically has an average temperature of 13°C (55°F), with highs reaching up to 21°C (70°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Hitachi generated using information from the Copernicus Climate Change Service.

April Precipitation in Hitachi

In Hitachi in April, the precipitation amount is 133 mm (5.2 in) spread over 12 days.

April Precipitation Trends in Hitachi

The chart displays monthly precipitation patterns in Hitachi, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hitachi, April typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Hitachi

In Hitachi in April humidity is 73%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that can penetrate layers of clothing, making it essential for travelers to dress in warm, moisture-wicking fabrics to stay comfortable while exploring.

April Average Humidity in Hitachi

This chart illustrates the average monthly humidity levels in Hitachi, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hitachi is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hitachi

In Hitachi in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hitachi.

Maximum UV Index Levels in Hitachi for April

The chart shows the monthly maximum UV Index (UVI) for Hitachi in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Hitachi typically reaches 9, which falls under the very high exposure category.

Data source: Hitachi April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Hitachi Compares to Other Months

Weather in Hitachi varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hitachi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hitachi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	59 mm (2.3 inches)	76%	moderate
February Weather	7°C (44°F)	49 mm (1.9 inches)	75%	moderate
March Weather	9°C (49°F)	162 mm (6.4 inches)	72%	high
April Weather	13°C (55°F)	133 mm (5.2 inches)	73%	very high
May Weather	17°C (63°F)	146 mm (5.7 inches)	80%	very high
June Weather	20°C (69°F)	138 mm (5.4 inches)	87%	extreme
July Weather	24°C (75°F)	197 mm (7.7 inches)	92%	extreme
August Weather	26°C (78°F)	129 mm (5.1 inches)	90%	very high
September Weather	23°C (74°F)	172 mm (6.8 inches)	84%	very high
October Weather	19°C (66°F)	252 mm (9.9 inches)	80%	high
November Weather	14°C (58°F)	98 mm (3.8 inches)	77%	moderate
December Weather	9°C (48°F)	75 mm (3.0 inches)	77%	moderate