The climate in Johnson City during May can be summarized as warm and damp.
May is in the spring in Johnson City and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 17°C (62°F) is normal.
Daytime temperature | 29°C 84.1°F |
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Nightly temperature | 16.5°C 61.6°F |
Average temperature | 22.7°C 72.9°F |
Daily sunshine | 7.9 hrs |
Avg rainfall | 113 mm 4.4 ins |
Rainy days | 9 days |
Sea temperature | 23.1°C 73.6°F |
Humidity | 69% |
Windspeed | 17.3kph 11 mph |
On average May is the wettest month of the year in Johnson City with around 113mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Johnson City in May 2025.
Hottest month: | July | 34.2°C 93.6°F |
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Driest month: | January | 46mm 1.8ins |
Sunniest month: | July | 10.7hrs |
Coldest month: | January | 14.5°C 58.1°F |
Wettest month: | May | 113mm 4.4ins |