Climate and monthly weather forecastJamestown, OH
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Jamestown, Ohio, with an average temperature varying between 33.4°F (0.8°C) and 21.7°F (-5.7°C). The month of January sees the lowest average temperatures, reaching 33.4°F (0.8°C) at the peak and 21.7°F (-5.7°C) at the low. Weather in January »Weather in February
February, the last month of the winter in Jamestown, is also a wintry month, with temperature in the range of an average high of 38.1°F (3.4°C) and an average low of 24.8°F (-4°C). The transition into February reveals an average high-temperature of a still icy 38.1°F (3.4°C), mirroring a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Jamestown, Ohio, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 34°F (1.1°C). With the onset of March, Jamestown's average high-temperature sees a rise, moving from February's wintry 38.1°F (3.4°C) to a chilly 49.3°F (9.6°C). Weather in March »Weather in April
April in Jamestown, Ohio, is an enjoyable spring month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 61.2°F (16.2°C). April brings an increase in the average high-temperature, progressing from a frosty 49.3°F (9.6°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »Weather in May
May, the last month of the spring in Jamestown, is an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 54.7°F (12.6°C). In May, the meteorological conditions change with the average high-temperature moving from a refreshing 61.2°F (16.2°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »Weather in June
June, the first month of the summer in Jamestown, is a warm month, with an average temperature ranging between min 61.5°F (16.4°C) and max 78.1°F (25.6°C). Jamestown observes a slight ascent in average high-temperatures during June, adjusting from a pleasant 71.2°F (21.8°C) in May to a warm 78.1°F (25.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Jamestown, Ohio, with an average temperature ranging between max 80.6°F (27°C) and min 64°F (17.8°C). July, with its high-temperature average of 80.6°F (27°C) and a low-temperature average of 64°F (17.8°C), is the warmest month. For most parts of July, the heat index is calculated to be a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Jamestown, Ohio, with an average temperature varying between 79.7°F (26.5°C) and 62.2°F (16.8°C). In Jamestown, August's average high-temperature stands at a still warm 79.7°F (26.5°C), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Jamestown, Ohio, with an average temperature fluctuating between 74.7°F (23.7°C) and 56.7°F (13.7°C). The ushering in of September brings an average high-temperature of a still moderately hot 74.7°F (23.7°C), closely mirroring the 79.7°F (26.5°C) of August. Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Jamestown, Ohio, with an average temperature ranging between min 46.6°F (8.1°C) and max 62.8°F (17.1°C). A shift in Jamestown's weather is observed as September turns into October, with the average high temperature reducing from a moderately hot 74.7°F (23.7°C) to a refreshing 62.8°F (17.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Jamestown, Ohio, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 35.8°F (2.1°C). A shift in the average high-temperature occurs in November, reducing from an enjoyable 62.8°F (17.1°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Jamestown, Ohio, with an average temperature ranging between max 39.2°F (4°C) and min 29.1°F (-1.6°C). Jamestown observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 49.1°F (9.5°C) to a wintry 39.2°F (4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jamestown, OH
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Jamestown, OH
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Jamestown, OH
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8.4mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Jamestown, OH
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
Jamestown, OH
- Average rainfall in January:
2.48" - Average rainfall in February:
2.56" - Average rainfall in March:
2.99" - Average rainfall in April:
3.31" - Average rainfall in May:
3.9" - Average rainfall in June:
2.83"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.52" - Average rainfall in September:
1.89" - Average rainfall in October:
2.28" - Average rainfall in November:
2.32" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Jamestown, OH
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.4 days).
Average snowfall
Jamestown, OH
- Average snowfall in January:
3.31" - Average snowfall in February:
3.78" - Average snowfall in March:
2.72" - Average snowfall in April:
0.35" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jamestown, OH
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
10.4 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
1.3 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:
0.7 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
10 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jamestown, OH
- 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 36min - 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:
3h and 36min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Jamestown, OH
- Average sunshine days in January:
11.1 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
11.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Jamestown, OH
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
Jamestown, OH
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Jamestown, OH
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





