Climate and monthly weather forecastMifflin, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Mifflin, Pennsylvania, is another cold winter month, with temperature in the range of an average low of 19.9°F (-6.7°C) and an average high of 32.9°F (0.5°C). January is the month when Mifflin sees the lowest average temperatures, with a high of 32.9°F (0.5°C) and a low of 19.9°F (-6.7°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Mifflin, Pennsylvania, with an average temperature ranging between min 21.9°F (-5.6°C) and max 37°F (2.8°C). Mifflin marks the arrival of February with an average high-temperature of a still wintry 37°F (2.8°C), hardly different from January's 32.9°F (0.5°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Mifflin, Pennsylvania, with an average temperature ranging between max 46.6°F (8.1°C) and min 29.3°F (-1.5°C). The transition to March introduces an increase in the average high-temperature, shifting from an icy 37°F (2.8°C) in February to a chilly 46.6°F (8.1°C). Weather in March »Weather in April
April in Mifflin, Pennsylvania, is a mild spring month, with an average temperature varying between 39.2°F (4°C) and 58.6°F (14.8°C). The commencement of April sees a shift in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in March to a mild 58.6°F (14.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Mifflin, Pennsylvania, with an average temperature fluctuating between 49.3°F (9.6°C) and 70.2°F (21.2°C). In May, the meteorological conditions change with the average high-temperature moving from a refreshing 58.6°F (14.8°C) in April to a pleasant 70.2°F (21.2°C). Weather in May »Weather in June
June, the first month of the summer in Mifflin, is a warm month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 55.8°F (13.2°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a pleasant 70.2°F (21.2°C) in May to a warm 78.1°F (25.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Mifflin, Pennsylvania, with an average temperature ranging between max 83.5°F (28.6°C) and min 60.8°F (16°C). In Mifflin, July is identified by the highest average temperatures, reaching a peak of 83.5°F (28.6°C) and a low of 60.8°F (16°C). July's mean heat index is appraised at a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Mifflin, Pennsylvania, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 81.1°F (27.3°C). Mifflin, Pennsylvania, starts August with an average high-temperature of a still moderately hot 81.1°F (27.3°C), hinting at a minimal fluctuation from July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Mifflin, Pennsylvania, with an average temperature ranging between max 74.1°F (23.4°C) and min 53.4°F (11.9°C). As September arrives, Mifflin's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 81.1°F (27.3°C) to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Mifflin, Pennsylvania, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 43.7°F (6.5°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from a warm 74.1°F (23.4°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »Weather in November
November, the last month of the autumn in Mifflin, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 32.9°F (0.5°C). During Mifflin's transition into November, the average high-temperature lessens, moving from a comfortable 61.5°F (16.4°C) in October to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Mifflin, is still a cold month, with temperature in the range of an average high of 39°F (3.9°C) and an average low of 27.5°F (-2.5°C). December brings a decrease in the average high-temperature, shifting from a frosty 48.4°F (9.1°C) in November to a cold 39°F (3.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mifflin, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure
Mifflin, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Mifflin, PA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.4mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Mifflin, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Mifflin, PA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.89" - Average rainfall in March:
2.05" - Average rainfall in April:
2.99" - Average rainfall in May:
3.31" - Average rainfall in June:
2.56"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.64" - Average rainfall in September:
2.13" - Average rainfall in October:
2.4" - Average rainfall in November:
1.85" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").
Average rainfall days
Mifflin, PA
- Average rainfall days in January:
9.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Mifflin, PA
- Average snowfall in January:
4.49" - Average snowfall in February:
4.13" - Average snowfall in March:
3.11" - Average snowfall in April:
0.31" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mifflin, PA
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
2.1 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mifflin, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Mifflin, PA
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Mifflin, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Mifflin, PA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Mifflin, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





