Tateyama-machi, Japan weather in May

Historical temperature average in May

In Tateyama-machi, Japan
65°F
highs
47°F
lows
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General weather summary

Moderately chilly with a gentle breeze
Feels like
42%
Chance of rain
0.269 in
Amount
10.6 mph
Wind speed
74%
Humidity
14.1 hrs
Daylight length
4:44 AM
Sunrise
6:48 PM
Sunset
44%
Cloud cover
Sweater
What to wear
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Don't take our word for it
Slide 1 of 6

What is the average temperature in May

The average temperature in Tateyama-machi in May for a typical day ranges from a high of 65°F (18°C) to a low of 47°F (8°C). Some would describe it as moderately chilly with a gentle breeze.

For comparison, the hottest month in Tateyama-machi, August, has days with highs of 80°F (26°C) and lows of 66°F (19°C). The coldest month, February has days with highs of 32°F (-0°C) and lows of 21°F (-6°C). This graph shows how an average day looks like in Tateyama-machi in May based on historical data.

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Highs and lows in Tateyama-machi in May

How much does it rain in May

In Tateyama-machi in May, there's a 42% chance of rain on an average day. And on the average day it rains or snows, we get 0.65 in (16.4 mm) of precipitation. In more common terms of how much that is, some would describe it as moderate rain.

The wettest month in Tateyama-machi is December where a typical day has a 75% chance of precipitation and gets 0.26 inches (6.5 mm) of precipitation, while the dryest month in Tateyama-machi is May where a typical day has a 42% chance of precipitation and gets 0.31 inches (7.8 mm) of precipitation. These graphs show the probability of it raining/snowing in May and the amount of rainfall.

Chance of rain or snow on an average Tateyama-machi day by month
Average precipitation by hour of day
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How cloudy is Tateyama-machi in May

The average amount of time that the sky is clear or sunny (partly cloudy or less) in Tateyama-machi during May is 10.5 hours (44% of the day). For comparison, the month with the most clear, sunny days in Tateyama-machi is May with an average of 10.5 hours per day while July has the shortest amount of cloud-free hours with only 7.3 hours per day. This graph shows the average amount of sunshine in Tateyama-machi in May based on historical data.
Monthly clear skies percent of time in Tateyama-machi

When is sunrise and sunset in May

The average day in Tateyama-machi during May has 14.1 hours of daylight, with sunrise at 4:44 AM and sunset at 6:48 PM.

The day with the longest amount of daylight in Tateyama-machi is June 20th with 14.7 hours while December 22nd has the shortest amount of daylight with only 9.7 hours.

This graph shows the average amount of daylight in Tateyama-machi in May based on historical data.

Average hours of daylight in Tateyama-machi by month

How humid is it in May

In May, Tateyama-machi is moderately humid with an average amount of 74% (relative humidity), which could be described as humid but cool. January has the highest relative humidity at 95% and is the least humid in May at 74%. This graph shows the average amount of humidity in Tateyama-machi throughout May based on historical data.
Average relative humidity in Tateyama-machi by month

How windy is it in May

Historically, the wind in Tateyama-machi during May blows at an average speed of 10.6 mph (17.0 kph). The windiest month is December with an average wind speed of 14.3 mph (23.0 kph), while the calmest month is August with an average wind speed of 8.1 mph (13.0 kph). This graph shows the average wind speed in Tateyama-machi in May based on historical data.
Average monthly wind speed in Tateyama-machi

What to wear in May

With an average high of 65°F (18°C) and a low of 47°F (8°C), it generally feels moderately chilly with a gentle breeze. There might also be a small chance of rain. With that in mind, most people would dress in something moderately warm like a sweater and remember to bring an umbrella
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Where does this data come from

Weather data for Tateyama-machi was collected from the MERRA-2 project from NASA, which used a climate model combined with historical data from weather stations around the world to estimate what the conditions were like for every point on the Earth.

For all data based on historical data, we've averaged the data from the past 11 years (2010-2020). For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in May (e.g., May 1, May 2, etc. in 2010, 2011, etc.) and took the arithmetic mean. We did not smooth the data, so for example, our daily temperature line will have some randomness due to the fact that weather is random in the first place.

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