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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, is a wintry winter month in Richardson, Kentucky, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 26.1°F (-3.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C). Weather in January »
Weather in February
February, the last month of the winter in Richardson, is a frosty month, with an average temperature ranging between max 44.4°F (6.9°C) and min 29.7°F (-1.3°C). The arrival of February sees an average high-temperature of a frosty 44.4°F (6.9°C), hardly diverging from January's 39.7°F (4.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Richardson, Kentucky, with an average temperature varying between 37.4°F (3°C) and 53.8°F (12.1°C). The start of March brings a shift in the average high-temperature, increasing from February's frosty 44.4°F (6.9°C) to a fresh 53.8°F (12.1°C). Weather in March »
Weather in April
April in Richardson, Kentucky, is a comfortable spring month, with an average temperature fluctuating between 65.8°F (18.8°C) and 46.2°F (7.9°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a fresh 53.8°F (12.1°C) to a refreshing 65.8°F (18.8°C). Weather in April »
Weather in May
May, the last month of the spring in Richardson, is a moderately hot month, with an average temperature varying between 76.3°F (24.6°C) and 55°F (12.8°C). May brings a rise in Richardson's average high-temperature, moving from a refreshing 65.8°F (18.8°C) in April to a moderately hot 76.3°F (24.6°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Richardson, Kentucky, with an average temperature varying between 83.5°F (28.6°C) and 61.3°F (16.3°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a moderately hot 76.3°F (24.6°C) to a still warm 83.5°F (28.6°C). Weather in June »
Weather in July
July in Richardson, Kentucky, is a hot summer month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 64.4°F (18°C). July is the month when Richardson experiences its warmest temperatures, averaging a high of 87.1°F (30.6°C) and a low of 64.4°F (18°C). The heat index value for July is computed to be a very hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Richardson, Kentucky, with an average temperature varying between 62.8°F (17.1°C) and 85.6°F (29.8°C). With the advent of August, Richardson's high-temperatures adjust to a moderately hot 85.6°F (29.8°C), closely aligning with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Richardson, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 57.7°F (14.3°C). September is characterized by a mild reduction in the average high-temperature, from 85.6°F (29.8°C) in August to a still warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Richardson, Kentucky, with an average temperature ranging between max 66.4°F (19.1°C) and min 47.5°F (8.6°C). The onset of October is marked by a decrease in temperature, transitioning from a warm 79.3°F (26.3°C) in September to an enjoyable 66.4°F (19.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Richardson, is also a fresh month, with an average temperature fluctuating between 37.8°F (3.2°C) and 53.8°F (12.1°C). In the transition to November, Richardson observes a drop in the average high-temperature, moving from a comfortable 66.4°F (19.1°C) in October to a cool 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Richardson, is still a chilly month, with an average temperature fluctuating between 32.9°F (0.5°C) and 45°F (7.2°C). Richardson's progression into December involves a gentle drop in the average high-temperature, from a cool 53.8°F (12.1°C) in November to a frosty 45°F (7.2°C). Weather in December »
Updated: Aug 4, 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 time of the year is the coldest?
In Richardson, the average lowest temperatures are observed in January, with a high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C).
How much does it rain?
In Richardson, during the entire year, the rain falls for 176.7 days and collects up to 33.82" (859mm) of precipitation.
When does it snow in Richardson?
Months with snowfall are January through April, October through December.
How much does it snow in Richardson?
Throughout the year, there are 33.2 snowfall days, and 13.35" (339mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
What is the most humid month?
February is the most humid month, with an average relative humidity of 81%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 3.58" (91mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Richardson, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the rainiest month?
The month with the most rainfall is April, when the rain falls for 17.4 days and typically aggregates up to 3.43" (87mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What part of the year is the hottest in Richardson?
July proves to be the warmest month, recording an average peak temperature of 87.1°F (30.6°C) and a minimum temperature of 64.4°F (18°C).
What is the least humid month in Richardson?
The least humid month is August, with an average relative humidity of 74%.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.93" (49mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Richardson, KY
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Richardson, KY
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Richardson, KY
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Richardson, KY
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Richardson, KY
- Average rainfall in January:
2.44" - Average rainfall in February:
3.39" - Average rainfall in March:
3.11" - Average rainfall in April:
3.43" - Average rainfall in May:
3.31" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.48" - Average rainfall in September:
1.93" - Average rainfall in October:
2.6" - Average rainfall in November:
2.09" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Richardson, KY
- Average rainfall days in January:
12 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
12.6 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (10.6 days).
Average snowfall
Richardson, KY
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Richardson, KY
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.7 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:
0.4 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Richardson, KY
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Richardson, KY
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
13.2 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.7 days).
Average UV index
Richardson, KY
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 and December (UV index 2).
Average cloud cover
Richardson, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Richardson, KY
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Richardson, Kentucky, USA
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