Climate and monthly weather forecastWashington, MS
Climate and monthly weather forecast
Weather in January
January, the same as December, in Washington, Mississippi, is a moderate winter month, with an average temperature varying between 55.4°F (13°C) and 40.5°F (4.7°C). In Washington, the month of January registers the lowest temperatures, averaging 55.4°F (13°C) at the peak and 40.5°F (4.7°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is another mild month in Washington, Mississippi, with an average temperature ranging between max 60.4°F (15.8°C) and min 45°F (7.2°C). February's advent presents an average high-temperature of a still mild 60.4°F (15.8°C), indicating a slight variation from the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in Washington, is a pleasant month, with an average temperature varying between 68°F (20°C) and 50.5°F (10.3°C). The start of March brings a subtle rise in the average high-temperature, moving from a mild 60.4°F (15.8°C) in February to a pleasant 68°F (20°C). Weather in March »Weather in April
April in Washington, Mississippi, is a moderately hot spring month, with an average temperature fluctuating between 75.4°F (24.1°C) and 56.5°F (13.6°C). In Washington, stepping into April brings a gentle temperature nudge, moving slightly up from March's pleasant 68°F (20°C) to a warm 75.4°F (24.1°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Washington, Mississippi, with an average temperature varying between 64°F (17.8°C) and 82.8°F (28.2°C). As May arrives, a slight rise in the average high-temperature is observed, moving from a moderately hot 75.4°F (24.1°C) in April to a still warm 82.8°F (28.2°C). Weather in May »Weather in June
June, the first month of the summer in Washington, is a tropical month, with an average temperature ranging between max 89.1°F (31.7°C) and min 70.7°F (21.5°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a moderately hot 82.8°F (28.2°C) in May to a hot 89.1°F (31.7°C). Weather in June »Weather in July
July, like June, is another hot summer month in Washington, Mississippi, with an average temperature fluctuating between 91.2°F (32.9°C) and 72.7°F (22.6°C). July is the month when Washington sees the highest average temperatures, with a high of 91.2°F (32.9°C) and a low of 72.7°F (22.6°C). In July, the heat index is appraised at a life-threatening hot 114.8°F (46°C). Weather in July »Weather in August
August, the last month of the summer in Washington, is also a hot month, with an average temperature ranging between min 73°F (22.8°C) and max 90.7°F (32.6°C). Washington experiences an average high-temperature of a still hot 90.7°F (32.6°C) in August, subtly different from July's 91.2°F (32.9°C). Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Washington, Mississippi, with temperature in the range of an average low of 68°F (20°C) and an average high of 87.3°F (30.7°C). September reports an average high-temperature of a still tropical 87.3°F (30.7°C), slightly varied from August's 90.7°F (32.6°C). Weather in September »Weather in October
October, like September, in Washington, Mississippi, is another warm autumn month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 57.7°F (14.3°C). The commencement of October indicates a shift in the average high-temperature, receding from September's tropical 87.3°F (30.7°C) to a moderately hot 77.5°F (25.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Washington, Mississippi, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 65.5°F (18.6°C). The onset of November brings a small change in high-temperatures, falling from a warm 77.5°F (25.3°C) in October to a comfortable 65.5°F (18.6°C). Weather in November »Weather in December
December, the first month of the winter in Washington, is still a refreshing month, with an average temperature fluctuating between 44.1°F (6.7°C) and 58.6°F (14.8°C). The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's 65.5°F (18.6°C) to a still refreshing 58.6°F (14.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Washington, MS
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.4°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure
Washington, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.96"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 (29.96"Hg).
Average wind speed
Washington, MS
- Average wind speed in January:
7.6mph - Average wind speed in February:
8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6mph - Average wind speed in June:
5.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity
Washington, MS
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Washington, MS
- Average rainfall in January:
1.42" - Average rainfall in February:
1.22" - Average rainfall in March:
1.34" - Average rainfall in April:
1.46" - Average rainfall in May:
1.57" - Average rainfall in June:
1.61"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.17" - Average rainfall in September:
1.22" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days
Washington, MS
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
13.1 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.1 days).
Average snowfall
Washington, MS
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Washington, MS
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 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:
0.2 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Washington, 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 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - 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 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Washington, MS
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
11 days - Average sunshine days in September:
15 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is August (11 days).
Average UV index
Washington, 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
Washington, MS
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility
Washington, MS
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





