May weather forecast
Harrisville, MS

Share

Weather in May

May, the last month of the spring in Harrisville, is also a moderately hot month, with an average temperature ranging between max 83.8°F (28.8°C) and min 62.8°F (17.1°C).

Temperature

As April transitions into May, Harrisville notices a gentle rise in the average high-temperature, transitioning from a moderately hot 76.6°F (24.8°C) to a still warm 83.8°F (28.8°C). Throughout May, the average low-temperature records at an enjoyable 62.8°F (17.1°C).

Heat index

May's mean heat index is appraised at a hot 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, the rain falls for 12.1 days. Throughout May, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 145.2 rainfall days, and 21.73" (552mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

In Harrisville, the average length of the day in May is 13h and 48min.
On the first day of May, sunrise is at 6:13 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:01 pm CDT.

Sunshine

In Harrisville, the average sunshine in May is 9.7h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

May temperatures vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 62.8°F (17.1°C). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 91.4°F (33°C).

What is the average humidity in May?

In Harrisville, the average relative humidity in May is 75%.

How much does it rain in May?

In May, the rain falls for 12.1 days. Throughout May, 1.73" (44mm) of precipitation is accumulated.

When it does not snow?

March through November are months without snowfall.

What is the average length of the day in May?

In Harrisville, the average day length in May is 13h and 48min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:13 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:01 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.7h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harrisville, MS

Average temperature in May - Harrisville, MS
  • Average high temperature in May: 83.8°F

The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in May: 62.8°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

Average pressure in May
Harrisville, MS

Average pressure in May - Harrisville, MS
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Harrisville, MS

Average wind speed in May - Harrisville, MS
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in May
Harrisville, MS

Average humidity in May - Harrisville, MS
  • Average humidity in May: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Harrisville, MS

Average rainfall in May - Harrisville, MS
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is August (2.64").
The driest month (with the least rainfall) is November (1.34").

Average rainfall days in May
Harrisville, MS

Average rainfall days in May - Harrisville, MS
  • Average rainfall days in May: 12.1 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is October (7.4 days).

Average snowfall in May
Harrisville, MS

Average snowfall in May - Harrisville, MS
  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Harrisville, MS

Average snowfall days in May - Harrisville, MS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Harrisville, MS

Average daylight in May / Average sunshine in May - Harrisville, MS
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Harrisville, MS

Average sunshine days in May - Harrisville, MS
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in May
Harrisville, MS

Average UV index in May - Harrisville, MS
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Harrisville, MS

Average cloud cover in May - Harrisville, MS
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in May
Harrisville, MS

Average visibility in May - Harrisville, MS
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Harrisville, Mississippi, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location