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Oyama Temperatures: Monthly Averages and Year-Round Insights

On this page, we’ll explore Oyama’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Japan.

Monthly Temperature Averages

In Oyama, temperatures can shift dramatically between very warm in summer and cold in winter. Average maximum daytime temperatures reach a very warm 32°C in August. In January, the coolest month of the year, temperatures drop to a chilly 9°C. At night, minimum temperatures can drop even lower, averaging around -1°C.

The chart below illustrates the average maximum day and minimum night temperatures in Oyama by month:

The lowest temperatures typically occur between 4 AM and 6 AM, while the peak temperatures are generally observed around 3 PM, coinciding with the sun’s strongest heating effect. August, the city’s warmest month, enjoys 185 hours of sunshine.

The chart below shows the average temperature throughout the year:

January, the city’s coldest month, sees about 58 mm of rainfall spread over roughly 8 days. It records 202 hours of sunshine of sunshine.

Annual Temperatures in Japan Compared

The map below shows the annual temperature across Japan. You can also select the different months in case you are interested in a specific month.

Annual
Map not visible? Whoops sorry! Please refresh the page.
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 32°C. Warm: 25°C to 32°C. Pleasant: 18°C to 25°C Moderate: 10°C to 18°C. Cold: 5°C to 10°C. Very cold: lower than 5°C

Oyama Temperatures Compared World Wide

Oyama’s average annual maximum temperature is 20°C. Let’s compare this with some popular tourist destinations:

Athens, Greece, experiences an average annual temperature of 23°C, with hot summers and mild winters typical of a Mediterranean climate.

Meanwhile, Queenstown, New Zealand, the average annual temperature is significantly lower at 10°C, with mild summers and cold winters.

Chicago, USA, has a significant seasonal range, with an average annual temperature of 15°C.

Perth, Australia, experiences a Mediterranean climate, with a pleasant average temperature of 25°C.

How are these Temperatures Measured?

Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.

This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.

Temperatures in the Mountains

Although not all regions have mountains, elevated areas exhibit distinct temperature variations.

  • Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
  • Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.

For more detailed information about Oyama’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Oyama climate page.


Current temperature in Oyama

Wed   Jan 15
14°C | -1°C
NW 5 m/s
almost clear and no rain

almost clear and no rain

Thu   Jan 16
9°C | -3°C
S 2 m/s
almost clear and no rain

almost clear and no rain

Fri   Jan 17
9°C | 0°C
W 6 m/s
almost clear and no rain

almost clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Oyama.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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