October weather forecastGaithersburg, MD
October
Weather in October
October ushers in a crisp, enchanting fall season in Gaithersburg. The temperature range shifts to a more comfortable bracket from 49.3°F (9.6°C) to 65.3°F (18.5°C). October days glorify the autumn season with bright, changing leaves and cool temperatures. This is the period when density of the hot Maryland summer dissipates and ushers in the much-awaited pleasant winter timings. This transition month sees comparatively more dry days, carving an opportunity for several open-air events and carnivals to take place.Temperature
In Gaithersburg, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 77.7°F (25.4°C) to an enjoyable 65.3°F (18.5°C). Nighttime temperatures in October average to a frosty 49.3°F (9.6°C).Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 77%.Rainfall
In October, the rain falls for 11.3 days. Throughout October, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In October, the average length of the day in Gaithersburg is 11h and 10min.On the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of October, in Gaithersburg, sunrise is at 7:36 am and sunset at 6:08 pm EDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In October, a regular UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Gaithersburg, MD
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in October: 49.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in October
Gaithersburg, MD
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Gaithersburg, MD
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in October
Gaithersburg, MD
- Average humidity in October: 77%
The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in October
Gaithersburg, MD
- Average rainfall in October: 2.17"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in October
Gaithersburg, MD
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in October
Gaithersburg, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Gaithersburg, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Gaithersburg, MD
- Average daylight in October: 11h and 12min
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 October: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in October
Gaithersburg, MD
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in October
Gaithersburg, MD
- Average UV index in October: 3
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, November and December (UV index 2).
Average cloud cover in October
Gaithersburg, MD
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Gaithersburg, MD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
