Climate and monthly weather forecastJamestown, MS
Climate and monthly weather forecast
Weather in January
January, the same as December, in Jamestown, Mississippi, is another mild winter month, with an average temperature varying between 39.9°F (4.4°C) and 56.8°F (13.8°C). With average high and low temperatures of 56.8°F (13.8°C) and 39.9°F (4.4°C) respectively, January is Jamestown's coldest month. Weather in January »Weather in February
The last month of the winter, February, is a comfortable month in Jamestown, Mississippi, with an average temperature varying between 62.2°F (16.8°C) and 44.4°F (6.9°C). The average high-temperature mildly increases in February, edging from a refreshing 56.8°F (13.8°C) in January to an enjoyable 62.2°F (16.8°C). Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Jamestown, Mississippi, with an average temperature ranging between min 50.5°F (10.3°C) and max 70°F (21.1°C). Jamestown's weather shows a minor temperature rise with the arrival of March, moving from a refreshing 62.2°F (16.8°C) in February to a pleasant 70°F (21.1°C). Weather in March »Weather in April
April is a moderately hot spring month in Jamestown, Mississippi, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 56.3°F (13.5°C). In Jamestown, the average high-temperature in April slightly rises, from an agreeable 70°F (21.1°C) in March, to a moderately hot 77.9°F (25.5°C). Weather in April »Weather in May
May, the last month of the spring in Jamestown, is another warm month, with an average temperature varying between 84.7°F (29.3°C) and 63.9°F (17.7°C). May's arrival coincides with a subtle temperature rise, moving from April's moderately hot 77.9°F (25.5°C) to a still warm 84.7°F (29.3°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Jamestown, Mississippi, with an average temperature varying between 90.7°F (32.6°C) and 70.7°F (21.5°C). With the onset of June, Jamestown's weather sees a minor temperature rise, transitioning from a moderately hot 84.7°F (29.3°C) in May to a tropical 90.7°F (32.6°C). Weather in June »Weather in July
July, the same as June, in Jamestown, Mississippi, is another hot summer month, with an average temperature ranging between min 72.3°F (22.4°C) and max 91.2°F (32.9°C). July's onset records an average high-temperature of a still tropical 91.2°F (32.9°C), a near match to June's 90.7°F (32.6°C). Weather in July »Weather in August
August, the last month of the summer in Jamestown, is another hot month, with an average temperature fluctuating between 72.5°F (22.5°C) and 91.4°F (33°C). In Jamestown, the peak average temperatures are observed in August, with a high of 91.4°F (33°C) and a low of 72.5°F (22.5°C). For most parts of August, the heat index is calculated to be a life-threatening hot 114.8°F (46°C). Weather in August »Weather in September
September, the first month of the autumn in Jamestown, is also a hot month, with an average temperature fluctuating between 68.2°F (20.1°C) and 87.4°F (30.8°C). The average high-temperature is a still hot 87.4°F (30.8°C) in September, hardly different from the 91.4°F (33°C) recorded in August. Weather in September »Weather in October
October, like September, in Jamestown, Mississippi, is another warm autumn month, with an average temperature varying between 78.4°F (25.8°C) and 57.7°F (14.3°C). As September transitions into October, Jamestown sees a drop in the average high-temperature, transitioning from a tropical 87.4°F (30.8°C) to a moderately hot 78.4°F (25.8°C). Weather in October »Weather in November
November, the last month of the autumn in Jamestown, is also an enjoyable month, with an average temperature ranging between max 66.6°F (19.2°C) and min 47.3°F (8.5°C). A shift in the average high-temperature occurs in November, reducing from a warm 78.4°F (25.8°C) in October to an enjoyable 66.6°F (19.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Jamestown, Mississippi, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 44.1°F (6.7°C). December marks a gentle change in average high-temperature, declining from November's comfortable 66.6°F (19.2°C) to a mild 59.7°F (15.4°C). Weather in December »Updated: Jul 7, 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
January stands out as Jamestown's coldest month, with temperatures ranging between an average high of 56.8°F (13.8°C) and a low of 39.9°F (4.4°C).
In Jamestown, during the entire year, the rain falls for 172.7 days and collects up to 30.91" (785mm) of precipitation.
January through March and December are months with snowfall.
In Jamestown, during the entire year, snow falls for 1.5 days and aggregates up to 0.94" (24mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.
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.
April through November are months without snowfall in Jamestown.
With an average of 14h and 6min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 10.7h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
In Jamestown, temperatures reach their average annual highs in August, measuring 91.4°F (33°C) and a minimum average of 72.5°F (22.5°C).
August is the month with the most rainfall in Jamestown, Mississippi. Rain falls for 22.6 days and accumulates 4.02" (102mm) of precipitation.
The least humid month is October, with an average relative humidity of 71%.
The month with the least rainfall is November, when the rain falls for 7.8 days and typically collects 1.5" (38mm) of precipitation.
With an average relative humidity of 81%, December is the most humid month.
December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.39" (10mm) of snow.
The month with the shortest days is December, with an average of 10h and 12min of daylight.
Average temperature
Jamestown, MS
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (56.8°F).
The month with the highest average low temperature is August (72.5°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure
Jamestown, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed
Jamestown, MS
- Average wind speed in January:
6.8mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.7mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.6mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity
Jamestown, MS
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Jamestown, MS
- Average rainfall in January:
2.09" - Average rainfall in February:
2.44" - Average rainfall in March:
2.48" - Average rainfall in April:
2.01" - Average rainfall in May:
2.48" - Average rainfall in June:
2.8"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days
Jamestown, MS
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
12 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
22.5 days - Average rainfall days in August:
22.6 days - Average rainfall days in September:
17.2 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Jamestown, MS
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Jamestown, MS
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Jamestown, MS
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
4h and 54min - Average sunshine in March:
7h and 6min - Average sunshine in April:
9h and 24min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 18min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days
Jamestown, MS
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
16 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
7 days - Average sunshine days in September:
10.8 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
20 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (6.7 days).
Average UV index
Jamestown, MS
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Jamestown, MS
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Jamestown, MS
The months with the highest visibility are January, October and November (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (5mi).
