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
May's arrival sees a rise in the average high-temperature, jumping from April's moderate 60.6°F (15.9°C) to an agreeable 71.2°F (21.8°C). The low-temperature in Hartsville averages to a cool 53.6°F (12°C) during the nights of May.Humidity
The average relative humidity in May in Hartsville is 76%.Rainfall
In May, the rain falls for 8.1 days. Throughout May, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in Hartsville, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hartsville are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hartsville aggregates 0.16" (4mm) of snow. Throughout the year, in Hartsville, there are 12.6 snowfall days, and 1.73" (44mm) of snow is accumulated.Daylight
The average length of the day in May in Hartsville is 14h and 26min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of May, in Hartsville, sunrise is at 5:32 am and sunset at 8:23 pm EDT.
Sunshine
In Hartsville, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Hartsville, Pennsylvania. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average May temperature in Hartsville?
What is the average humidity in May in Hartsville?
How much does it rain in Hartsville in May?
What is the last month it snows in Hartsville?
What is the average length of the day in May in Hartsville?
What time are sunrise and sunset in May in Hartsville?
How long on average sun shines in May in Hartsville?
What are the months with the highest UV index in Hartsville?
What is the UV index reading in May in Hartsville?
Average temperature in May
Hartsville, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Hartsville, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Hartsville, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Hartsville, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in May
Hartsville, PA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in May
Hartsville, PA
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Hartsville, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Hartsville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartsville, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Hartsville, PA
- Average sunshine days in May: 19.6 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in May
Hartsville, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Hartsville, PA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Hartsville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Hartsville, Pennsylvania, USA
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