October weather forecastMount Rainier, MD
October
Weather in October
October welcomes the full onset of autumn in Mount Rainier, with conditions much cooler than those in the preceding month. Temperatures range from 51.8°F (11°C) to 66.2°F (19°C), marking a shift into colder weather. Comparatively, October has shorter daylight hours and increased rainfall, creating the predominance of overcast days. The weather in November is expected to follow suit with a rise in humidity and a further decrease in temperatures. Weather in October is a fitting farewell to the warmer days, embracing the subsequent winter season.Temperature
Mount Rainier observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 78.1°F (25.6°C) to a comfortable 66.2°F (19°C). Mount Rainier experiences an average low-temperature of 51.8°F (11°C) in the month of October.Humidity
May, October and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In October, in Mount Rainier, the rain falls for 11.8 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. In Mount Rainier, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.Snowfall
May through November are months without snowfall.Daylight
In Mount Rainier, the average length of the day in October is 11h and 10min.On the first day of October, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:08 pm EDT.
Sunshine
In Mount Rainier, the average sunshine in October is 5.6h.UV index
In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In October, a daily UV index of 4 turns into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Mount Rainier, MD
- Average high temperature in October: 66.2°F
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).
- Average low temperature in October: 51.8°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 in October
Mount Rainier, 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 (29.94"Hg).
Average wind speed in October
Mount Rainier, MD
- Average wind speed in October: 6.9mph
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 in October
Mount Rainier, MD
- Average humidity in October: 76%
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 in October
Mount Rainier, MD
- Average rainfall in October: 2.64"
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 in October
Mount Rainier, MD
- Average rainfall days in October: 11.8 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 in October
Mount Rainier, MD
- Average snowfall in October: 0"
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 in October
Mount Rainier, MD
- Average snowfall days in October: 0 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 in October /
Average sunshine in October
Mount Rainier, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in October
Mount Rainier, MD
- Average sunshine days in October: 17.4 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 in October
Mount Rainier, MD
- Average UV index in October: 4
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 in October
Mount Rainier, MD
- Average cloud cover in October: 38
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 in October
Mount Rainier, MD
- Average visibility in October: 6mi
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).
