Climate and monthly weather forecastMontchanin, DE
Climate and monthly weather forecast
Weather in January
January, like December, in Montchanin, Delaware, is an icy winter month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 25.3°F (-3.7°C). With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25.3°F (-3.7°C), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Montchanin, is also a wintry month, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 27.7°F (-2.4°C). With the advent of February, Montchanin experiences an average high-temperature of a still icy 40.8°F (4.9°C), mirroring a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Montchanin, Delaware, with an average temperature ranging between max 49.3°F (9.6°C) and min 34.7°F (1.5°C). March's arrival brings a modest temperature shift, moving from an icy 40.8°F (4.9°C) in February to a chilly 49.3°F (9.6°C). Weather in March »Weather in April
April in Montchanin, Delaware, is a refreshing spring month, with an average temperature fluctuating between 61.3°F (16.3°C) and 44.6°F (7°C). April signals a shift in the average high-temperature, moving from March's chilly 49.3°F (9.6°C) to an enjoyable 61.3°F (16.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Montchanin, Delaware, with an average temperature fluctuating between 71.6°F (22°C) and 54.5°F (12.5°C). With the arrival of May, the average high-temperature transitions from a refreshing 61.3°F (16.3°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Montchanin, Delaware, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.5°F (26.4°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 71.6°F (22°C) to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Montchanin, Delaware, is a moderately hot summer month, with an average temperature fluctuating between 68.4°F (20.2°C) and 84.9°F (29.4°C). July registers as the month with the highest average temperatures, reaching 84.9°F (29.4°C) at its peak and 68.4°F (20.2°C) at the lowest. The heat index value for July is appraised at a hot 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Montchanin, Delaware, with an average temperature fluctuating between 66.7°F (19.3°C) and 82.9°F (28.3°C). Montchanin registers an average high-temperature of a still warm 82.9°F (28.3°C) at the commencement of August, closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Montchanin, Delaware, with an average temperature varying between 59.9°F (15.5°C) and 76.3°F (24.6°C). As Montchanin enters September, the average high-temperature subtly lowers from the a moderately hot 82.9°F (28.3°C) of August to a still warm 76.3°F (24.6°C). Weather in September »Weather in October
October, like September, in Montchanin, Delaware, is another comfortable autumn month, with an average temperature fluctuating between 50.2°F (10.1°C) and 64.6°F (18.1°C). Montchanin's progression into October includes a drop in the average high-temperature, from a moderately hot 76.3°F (24.6°C) in September to a refreshing 64.6°F (18.1°C). Weather in October »Weather in November
November, the last month of the autumn in Montchanin, is another cool month, with an average temperature fluctuating between 52.2°F (11.2°C) and 38.8°F (3.8°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 64.6°F (18.1°C) in October to a cool 52.2°F (11.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Montchanin, Delaware, with an average temperature varying between 43.7°F (6.5°C) and 32.7°F (0.4°C). The advent of December brings a subtle shift in temperature, with the average high moving from a cool 52.2°F (11.2°C) in November to a frosty 43.7°F (6.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Montchanin, DE
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
Montchanin, DE
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Montchanin, DE
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Montchanin, DE
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Montchanin, DE
- Average rainfall in January:
2.36" - Average rainfall in February:
2.56" - Average rainfall in March:
2.95" - Average rainfall in April:
2.87" - Average rainfall in May:
3.19" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.58" - Average rainfall in August:
4.09" - Average rainfall in September:
2.4" - Average rainfall in October:
2.72" - Average rainfall in November:
2.44" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days
Montchanin, DE
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Montchanin, DE
- Average snowfall in January:
3.03" - Average snowfall in February:
2.87" - Average snowfall in March:
3.58" - Average snowfall in April:
0.31" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Montchanin, DE
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.8 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Montchanin, DE
- 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 24min - Average daylight in June:
14h and 54min
- 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:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Montchanin, DE
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
11 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).
Average UV index
Montchanin, DE
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, November and December (UV index 2).
Average cloud cover
Montchanin, DE
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Montchanin, DE
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).





