Climate and monthly weather forecastHarrisburg, MO
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Harrisburg, Missouri, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 23°F (-5°C). January is the coldest month, with the temperature often reaching an average high of 36.9°F (2.7°C) and an average low of 23°F (-5°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Harrisburg, Missouri, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 26.2°F (-3.2°C). Harrisburg records an average high-temperature of a still cold 41.4°F (5.2°C) in February, maintaining a close correlation with January's 36.9°F (2.7°C). Weather in February »Weather in March
March, the first month of the spring in Harrisburg, is a fresh month, with an average temperature ranging between max 54.1°F (12.3°C) and min 37.2°F (2.9°C). The arrival of March signals an increase in the average high-temperature, moving from a wintry 41.4°F (5.2°C) in February to a fresh 54.1°F (12.3°C). Weather in March »Weather in April
April is a comfortable spring month in Harrisburg, Missouri, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 46.4°F (8°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a cool 54.1°F (12.3°C) in March to a refreshing 64.9°F (18.3°C). Weather in April »Weather in May
May, the last month of the spring in Harrisburg, is a warm month, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 56.1°F (13.4°C). In Harrisburg, the onset of May comes with an increased average high-temperature, moving from April's comfortable 64.9°F (18.3°C) to a warm 74.8°F (23.8°C). Weather in May »Weather in June
June, the first month of the summer in Harrisburg, is still a warm month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 84.7°F (29.3°C). The shift into June is characterized by a rise in the average high-temperature, transitioning from May's 74.8°F (23.8°C) to a still moderately hot 84.7°F (29.3°C). Weather in June »Weather in July
July is a hot summer month in Harrisburg, Missouri, with an average temperature varying between 87.6°F (30.9°C) and 68°F (20°C). Harrisburg's warmest weather arrives in July, when temperatures average a high of 87.6°F (30.9°C) and a low of 68°F (20°C). July's mean heat index is computed to be a very hot 102.2°F (39°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Harrisburg, Missouri, with an average temperature varying between 65.8°F (18.8°C) and 86°F (30°C). The average high-temperature in August, at a still hot 86°F (30°C), reveals a modest deviation from July's 87.6°F (30.9°C). Weather in August »Weather in September
September, the first month of the autumn in Harrisburg, is still a warm month, with an average temperature ranging between min 59°F (15°C) and max 79.5°F (26.4°C). With the onset of September, Harrisburg's climate undergoes a slight change as the average high-temperature moves from a tropical 86°F (30°C) in August to a moderately hot 79.5°F (26.4°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Harrisburg, Missouri, with an average temperature varying between 65.5°F (18.6°C) and 47.7°F (8.7°C). With October's onset, the weather shows a temperature decrease, transitioning from a warm 79.5°F (26.4°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Harrisburg, Missouri, with an average temperature fluctuating between 52.7°F (11.5°C) and 36.9°F (2.7°C). The start of November comes with a reduction in the average high-temperature, receding from an enjoyable 65.5°F (18.6°C) in October to a fresh 52.7°F (11.5°C). Weather in November »Weather in December
December, the first month of the winter in Harrisburg, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 28.4°F (-2°C). December's arrival comes with a decrease in the average high-temperature, moving from a fresh 52.7°F (11.5°C) in November to a cold 41.5°F (5.3°C). Weather in December »Updated: Aug 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Harrisburg's January weather, with an average high temperature of 36.9°F (2.7°C) and an average low temperature of 23°F (-5°C), tends to be the coldest of the year.
The months with the least rainfall are January and February Rain falls for 3.8 days and accumulates 0.43" (11mm) of rain.
Throughout the year, there are 95.5 rainfall days, and 8.62" (219mm) of precipitation is accumulated.
January through March, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 0.67" (17mm) of snow.
In Harrisburg, during the entire year, snow falls for 17 days and aggregates up to 1.93" (49mm) of snow.
January and February, with an average of 4.7h of sunshine, are months with the least sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Harrisburg, snow does not fall in April through September.
With an average relative humidity of 78%, May is the most humid month.
The month with the most rainfall is May, when the rain falls for 11.3 days and typically aggregates up to 1.3" (33mm) of precipitation.
June has the longest days of the year, with an average of 14h and 54min of daylight.
The months with the most sunshine are June and July, with an average of 10.4h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
In Harrisburg, temperatures reach their average annual highs in July, measuring 87.6°F (30.9°C) and a minimum average of 68°F (20°C).
The least humid month is October, with an average relative humidity of 71%.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Harrisburg, MO
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure
Harrisburg, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Harrisburg, MO
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity
Harrisburg, MO
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harrisburg, MO
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.59" - Average rainfall in April:
0.98" - Average rainfall in May:
1.3" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.98" - Average rainfall in August:
0.67" - Average rainfall in September:
0.55" - Average rainfall in October:
0.71" - Average rainfall in November:
0.47" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days
Harrisburg, MO
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
8.2 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
4.5 days
The months with the highest number of rainy days are April and May (11.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Harrisburg, MO
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Harrisburg, MO
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harrisburg, MO
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days
Harrisburg, MO
- Average sunshine days in January:
23.5 days - Average sunshine days in February:
19.6 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
19.8 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is May (15.6 days).
Average UV index
Harrisburg, MO
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Harrisburg, MO
The months with the most cloud cover are January, February and March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility
Harrisburg, MO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
