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October Weather in Hitachi, Japan

Last updated: August 23, 2025

In Hitachi, Japan, the average temperature in October hovers around 19°C (66°F), offering a comfortable climate for visitors. Temperatures can dip to a cool 12°C (53°F) at night but may rise to a warm 26°C (80°F) during the day. Be prepared for some rain, as the region sees 252 mm (9.9 in) of precipitation over 15 days, contributing to an average humidity of 80%.

October Temperature in Hitachi

In October in Hitachi, the average temperature is 19°C (66°F). Maximums can reach 26°C (80°F) and minimums can drop to as low as 12°C (53°F). This makes Hitachi a pleasant destination for travelers looking to enjoy mild weather.

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

The chart illustrates October 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, October typically has an average temperature of 19°C (66°F), with highs reaching up to 26°C (80°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec434449556368747873665748
Data source: Temperature data for Hitachi 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.

October Precipitation in Hitachi

In Hitachi in October, the precipitation amount is 252 mm (9.9 in) over the course of 15 days.

October Precipitation Trends in Hitachi

The chart displays monthly precipitation patterns in Hitachi, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Hitachi, October typically receives around 252 mm (9.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec59491621331461381971291722529875
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hitachi

In Hitachi in October humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

October Average Humidity in Hitachi

This chart illustrates the average monthly humidity levels in Hitachi, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Hitachi is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hitachi

In Hitachi in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hitachi.

Maximum UV Index Levels in Hitachi for October

The chart shows the monthly maximum UV Index (UVI) for Hitachi in October, 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 October, the maximum UV index in Hitachi typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Hitachi October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)59 mm (2.3 inches)76%moderate
February Weather7°C (44°F)49 mm (1.9 inches)75%moderate
March Weather9°C (49°F)162 mm (6.4 inches)72%high
April Weather13°C (55°F)133 mm (5.2 inches)73%very high
May Weather17°C (63°F)146 mm (5.7 inches)80%very high
June Weather20°C (69°F)138 mm (5.4 inches)87%extreme
July Weather24°C (75°F)197 mm (7.7 inches)92%extreme
August Weather26°C (78°F)129 mm (5.1 inches)90%very high
September Weather23°C (74°F)172 mm (6.8 inches)84%very high
October Weather19°C (66°F)252 mm (9.9 inches)80%high
November Weather14°C (58°F)98 mm (3.8 inches)77%moderate
December Weather9°C (48°F)75 mm (3.0 inches)77%moderate

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