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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, like December, in Lanham, Maryland, is an icy winter month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 39.9°F (4.4°C). Lanham experiences its lowest average temperatures in January, reaching a peak of 39.9°F (4.4°C) and a minimum of 27.7°F (-2.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Lanham, Maryland, with an average temperature fluctuating between 30°F (-1.1°C) and 44.2°F (6.8°C). The arrival of February coincides with an average high-temperature of a chilly 44.2°F (6.8°C), indicating a minimal shift from January's 39.9°F (4.4°C). Weather in February »
Weather in March
March, the first month of the spring in Lanham, is a fresh month, with an average temperature fluctuating between 37.4°F (3°C) and 52.3°F (11.3°C). With the onset of March, Lanham's weather sees a minor temperature rise, transitioning from a chilly 44.2°F (6.8°C) in February to a cool 52.3°F (11.3°C). Weather in March »
Weather in April
April in Lanham, Maryland, is an enjoyable spring month, with an average temperature fluctuating between 47.3°F (8.5°C) and 64.8°F (18.2°C). Noticing a change, the average high-temperature during April moves from March's fresh 52.3°F (11.3°C) to a refreshing 64.8°F (18.2°C). Weather in April »
Weather in May
May, the last month of the spring in Lanham, is a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 57°F (13.9°C). With the onset of May, Lanham's weather sees a temperature rise, transitioning from an enjoyable 64.8°F (18.2°C) in April to a warm 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Lanham, Maryland, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.6°F (18.1°C). In Lanham, the onset of June comes with a modest high-temperature shift, transitioning from May's 73.9°F (23.3°C) to a still moderately hot 81.9°F (27.7°C). Weather in June »
Weather in July
July is a tropical summer month in Lanham, Maryland, with an average temperature fluctuating between 70°F (21.1°C) and 87.4°F (30.8°C). July, with average temperatures reaching a high of 87.4°F (30.8°C) and a low of 70°F (21.1°C), is the warmest month. During July, the heat index is evaluated at a torrid 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Lanham, is also a moderately hot month, with an average temperature fluctuating between 68.7°F (20.4°C) and 85.1°F (29.5°C). The transition into August notes an average high-temperature of a warm 85.1°F (29.5°C), revealing a mild distinction from the 87.4°F (30.8°C) in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Lanham, Maryland, with an average temperature varying between 62.2°F (16.8°C) and 78.1°F (25.6°C). A modest decline in the average high-temperature is seen during September, decreasing from 85.1°F (29.5°C) in August to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Lanham, Maryland, with an average temperature fluctuating between 66.2°F (19°C) and 51.8°F (11°C). Lanham observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 78.1°F (25.6°C) to a refreshing 66.2°F (19°C). Weather in October »
Weather in November
November, the last month of the autumn in Lanham, is another cool month, with an average temperature ranging between max 54.1°F (12.3°C) and min 40.1°F (4.5°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a comfortable 66.2°F (19°C) to a cool 54.1°F (12.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Lanham, Maryland, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.3°F (1.3°C). The advent of December brings a slight shift in average high-temperature, moving from a fresh 54.1°F (12.3°C) in November to a frosty 45.5°F (7.5°C). Weather in December »
Updated: Aug 26, 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 is the coldest time of year?
Lanham's January weather reaches an average high of 39.9°F (4.4°C) and an average low of 27.7°F (-2.4°C), making it the coldest month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.
How much does it rain?
Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.
When does it snow?
January through April and December are months with snowfall.
When does it snow the most?
The month with the most snowfall in Lanham is January, when snow falls for 4.1 days and typically aggregates up to 2.6" (66mm) of snow.
How many days does it snow in Lanham?
In Lanham, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.
When is the lowest UV index?
The months with the lowest UV index in Lanham are January and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year.
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 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 least humid month?
The months with the lowest humidity are April and July, with an average relative humidity of 71%.
What is the most humid month?
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.
When it does not snow?
May through November are months without snowfall.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the hottest time of year?
July temperatures in Lanham tend to peak at an average high of 87.4°F (30.8°C) and dip to a low of 70°F (21.1°C).
What month has the most sunshine?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.58" (91mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Lanham, MD
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Lanham, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"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:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Lanham, MD
- Average wind speed in January:
7.9mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6.1mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Lanham, MD
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
Lanham, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.09" - Average rainfall in March:
2.36" - Average rainfall in April:
2.72" - Average rainfall in May:
2.99" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.11" - Average rainfall in August:
3.58" - Average rainfall in September:
2.09" - Average rainfall in October:
2.64" - Average rainfall in November:
2.17" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days
Lanham, MD
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall
Lanham, MD
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
Lanham, MD
- Average snowfall days in January:
4.1 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.2 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:
0.2 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Lanham, MD
- 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - 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 3min
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 30min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Lanham, MD
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
Lanham, MD
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 and December (UV index 2).
Average cloud cover
Lanham, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Lanham, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lanham, Maryland, USA
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