Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Harvey, Mississippi, is another mild winter month, with an average temperature fluctuating between 56.8°F (13.8°C) and 39.7°F (4.3°C). Temperature records mark January as the coldest month, with highs averaging 56.8°F (13.8°C) and lows at 39.7°F (4.3°C). Weather in January »
Weather in February
February, the last month of the winter in Harvey, is an enjoyable month, with an average temperature varying between 62.2°F (16.8°C) and 44.6°F (7°C). Harvey observes a slight uplift in the average high-temperature with the onset of February, adjusting from January's moderate 56.8°F (13.8°C) to an enjoyable 62.2°F (16.8°C). Weather in February »
Weather in March
March, the first month of the spring in Harvey, is a pleasant month, with an average temperature ranging between min 50.4°F (10.2°C) and max 69.8°F (21°C). Harvey's weather shows a minor temperature rise with the arrival of March, moving from an enjoyable 62.2°F (16.8°C) in February to a pleasant 69.8°F (21°C). Weather in March »
Weather in April
April is a warm spring month in Harvey, Mississippi, with an average temperature ranging between max 77.7°F (25.4°C) and min 56.5°F (13.6°C). As March gives way to April, the average high-temperature displays a slight ascent, adjusting from an agreeable 69.8°F (21°C) to a moderately hot 77.7°F (25.4°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Harvey, Mississippi, with an average temperature varying between 84.7°F (29.3°C) and 63.7°F (17.6°C). The arrival of May signals a slight increase in the average high-temperature, moving from 77.7°F (25.4°C) in April to a still moderately hot 84.7°F (29.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Harvey, Mississippi, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 71.2°F (21.8°C). Entering June, Harvey notices a subtle temperature elevation, with the average high-temperature advancing from May's moderately hot 84.7°F (29.3°C) to a hot 91°F (32.8°C). Weather in June »
Weather in July
July, the same as June, in Harvey, Mississippi, is a hot summer month, with an average temperature ranging between max 91.6°F (33.1°C) and min 72.5°F (22.5°C). July commences with an average high-temperature of a still hot 91.6°F (33.1°C), showing little deviation from June's 91°F (32.8°C). Weather in July »
Weather in August
August, the last month of the summer in Harvey, is another tropical month, with an average temperature ranging between min 73°F (22.8°C) and max 91.8°F (33.2°C). August brings the highest temperatures, with an average high of 91.8°F (33.2°C) and an average low of 73°F (22.8°C). For August, the heat index is appraised at a burning hot 114.8°F (46°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a tropical month in Harvey, Mississippi, with an average temperature varying between 68°F (20°C) and 87.8°F (31°C). September is marked by an average high-temperature of a still tropical 87.8°F (31°C), almost identical to the preceding month. Weather in September »
Weather in October
October, like September, in Harvey, Mississippi, is another warm autumn month, with an average temperature ranging between max 78.6°F (25.9°C) and min 57.6°F (14.2°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from a tropical 87.8°F (31°C) in September to a moderately hot 78.6°F (25.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Harvey, Mississippi, with an average temperature varying between 47.1°F (8.4°C) and 66.7°F (19.3°C). During Harvey's transition into November, the average high-temperature lessens, moving from a warm 78.6°F (25.9°C) in October to a refreshing 66.7°F (19.3°C). Weather in November »
Weather in December
December, the first month of the winter in Harvey, is still a mild month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59.7°F (15.4°C). December ushers in a minute temperature change, with average high-temperatures reducing from November's enjoyable 66.7°F (19.3°C) to a still refreshing 59.7°F (15.4°C). Weather in December »
Updated: Aug 12, 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
What month is the coldest?
In Harvey, January is the month with the lowest recorded average temperatures, measuring a high of 56.8°F (13.8°C) and a low of 39.7°F (4.3°C).
How many days does it rain?
Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March and December.
How much does it snow?
In Harvey, during the entire year, snow falls for 1.5 days and aggregates up to 0.87" (22mm) of snow.
When is the lowest UV index in Harvey?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Harvey, Mississippi, snow does not fall in April through November.
When are the longest days?
June has the longest days of the year, with an average of 14h and 12min of daylight.
What month has the most sunshine?
With an average of 10.6h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 7, are months with the highest UV index.
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 21.8 days and typically aggregates up to 4.37" (111mm) of precipitation.
What part of the year is the hottest?
In Harvey, August is identified by the average highest temperatures, reaching a peak of 91.8°F (33.2°C) and a low of 73°F (22.8°C).
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 8.7 days and typically collects 1.77" (45mm) of precipitation.
What is the most humid month?
The most humid month is December, with an average relative humidity of 81%.
When does it snow the most?
The month with the most snowfall is December, when snow falls for 0.4 days and typically aggregates up to 0.39" (10mm) of snow.
What is the month with the shortest days?
With an average of 10h and 12min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
With an average of 4.9h of sunshine, December has the least sunshine of the year.
Average temperature
Harvey, MS
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure
Harvey, 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:
30"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
Harvey, MS
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.7mph - Average wind speed in March:
6.6mph - 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:
4.4mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity
Harvey, MS
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harvey, MS
- Average rainfall in January:
2.64" - Average rainfall in February:
2.8" - Average rainfall in March:
3.07" - Average rainfall in April:
2.6" - Average rainfall in May:
2.95" - Average rainfall in June:
3.15"
- Average rainfall in July:
4.37" - Average rainfall in August:
3.98" - Average rainfall in September:
2.91" - Average rainfall in October:
2.44" - Average rainfall in November:
1.77" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days
Harvey, MS
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.6 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
17.5 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall
Harvey, 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
Harvey, MS
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.3 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 (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Harvey, MS
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 1min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
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 12min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Harvey, MS
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
6.8 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
10.3 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
14.9 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index
Harvey, 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
Harvey, 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
Harvey, MS
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Harvey, Mississippi, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location