Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings a distinct temperature shift, with the average high-temperature escalating from a chilly 48.4°F (9.1°C) in April to a refreshing 64.6°F (18.1°C). The nights of May anticipate an average low-temperature of 43.9°F (6.6°C).Humidity
With an average relative humidity of 70%, May is the least humid month.Rainfall
The month with the most rainfall is May, when the rain falls for 14.4 days and typically aggregates up to 2.76" (70mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Johannesburg aggregates 0.28" (7mm) of snow. In Johannesburg, during the entire year, snow falls for 109.2 days and aggregates up to 47.09" (1196mm) of snow.Daylight
In Johannesburg, the average length of the day in May is 14h and 52min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:43 pm. On the last day of May, sunrise is at 5:54 am and sunset at 9:16 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johannesburg in May?
What is the least humid month?
What is the average humidity in May?
What is the wettest month in Johannesburg?
How much does it rain in May?
What is the last month it snows in Johannesburg?
How many hours of daylight does Johannesburg have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Johannesburg have in May?
How high is the UV index in May?
Average temperature in May
Johannesburg, MI
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in May: 43.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in May
Johannesburg, MI
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Johannesburg, MI
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Johannesburg, MI
- Average humidity in May: 70%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in May
Johannesburg, MI
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in May
Johannesburg, MI
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is October (17.5 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in May
Johannesburg, MI
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (10.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Johannesburg, MI
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Johannesburg, MI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in May
Johannesburg, MI
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in May
Johannesburg, MI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Johannesburg, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Johannesburg, MI
- Average visibility in May: 6mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Johannesburg, Michigan, USA
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