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April Weather in Annaka, Japan

Last updated: August 23, 2025

In April, the average temperature in Annaka, Japan hovers around 13°C (55°F), with a range from a chilly 0°C (32°F) to a warm 28°C (83°F). Expect 148 mm (5.8 in) of precipitation over an average of 14 days, contributing to a moderate humidity level of 78%. Embrace the changing seasons with this unique blend of weather characteristics!

April Temperature in Annaka

In April in Annaka, the average temperature is 13°C (55°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 0°C (32°F). This range of temperatures makes it advisable for travelers to pack layers to comfortably enjoy both warm and cooler moments during their visit.

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

The chart illustrates April temperature patterns in Annaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Annaka, April typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (83°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec394147556469767971625243
Data source: Temperature data for Annaka generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Annaka

In Annaka in April, the total precipitation amount is 148 mm (5.8 in) over the course of 14 days.

April Precipitation Trends in Annaka

The chart displays monthly precipitation patterns in Annaka, 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 Annaka, April typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec57551341481742123382142563195054
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Annaka

In Annaka in April, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

April Average Humidity in Annaka

This chart illustrates the average monthly humidity levels in Annaka, 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 Annaka is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Annaka

In Annaka 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 Annaka.

Maximum UV Index Levels in Annaka for April

The chart shows the monthly maximum UV Index (UVI) for Annaka 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 Annaka typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891111111110753
Data source: Annaka 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 Annaka Compares to Other Months

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

This table compares monthly weather conditions in Annaka, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)57 mm (2.3 inches)88%moderate
February Weather5°C (41°F)55 mm (2.2 inches)86%high
March Weather9°C (48°F)134 mm (5.3 inches)81%very high
April Weather13°C (55°F)148 mm (5.8 inches)78%very high
May Weather18°C (65°F)174 mm (6.8 inches)81%extreme
June Weather21°C (69°F)212 mm (8.3 inches)88%extreme
July Weather24°C (76°F)338 mm (13.3 inches)92%extreme
August Weather26°C (79°F)214 mm (8.4 inches)92%extreme
September Weather22°C (71°F)256 mm (10.1 inches)89%very high
October Weather16°C (62°F)319 mm (12.6 inches)87%high
November Weather11°C (52°F)50 mm (2.0 inches)85%moderate
December Weather6°C (43°F)54 mm (2.1 inches)86%moderate

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