Weathermondo.com
United StatesThe weather in May in Johnstone
It's hot in May in Johnstone with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 35°C. At night, you can expect temperatures between 17°C and 23°C.
May is a good month to be in Johnstone for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Johnstone, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 41°C in 2022, Johnstone reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 19°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 27°C.
Rainfall amount
In May, there is an average of 96 mm of precipitation, spread over 13 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Daily weather in May for Johnstone
Click on any day in May to get detailed info about the usual weather on that day in Johnstone. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Johnstone | New York | |
|---|---|---|
| Average temperature | 32°C | 22°C |
| Max. temperature | 35°C | 28°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 96 mm | 105 mm |
| Rainy days | 13 days | 14 days |
Start of May
The month of May starts in Johnstone with hot temps, averaging around 32°C during the day and nights around 20°C.
Mid May
By mid-May, daytime temps stay steady at around 32°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Johnstone is around 33°C, while nighttime temps are about 22°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Johnstone runs from June to November.
Check out the climate of Johnstone for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Johnstone, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Johnstone
Temperature in May in Johnstone over the years
Precipitation charts
These charts show the average amount of precipitation in May in Johnstone, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Johnstone
Total precipitation in May in Johnstone over the years
Daily UV index in May in Johnstone
This chart shows the average daily UV index in May in Johnstone, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Johnstone
Have you been to Johnstone in May?
Share your weather experience in May in Johnstone.
Average weather in Johnstone by month
Click on a month below to see detailed weather info for Johnstone. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.