April weather forecast
Mount Rainier, MD

Share

Weather in April

In April, the weather in Mount Rainier is characterized by the full onset of spring and the disappearance of winter's last vestiges. Temperatures are relatively warm, fluctuating from 47.3°F (8.5°C) to 64.8°F (18.2°C). Importantly, April experiences a risen daylight duration, more sunshine duration and the substantial reduction in snowfall which becomes insignificant during this period. Markedly, April weather reveals an upward trend in wind speed, which is expected to maintain into May. The weather in Mount Rainier in April marks a positive departure from the colder winter months, and a welcoming of more clement conditions.

Temperature

April's arrival in Mount Rainier brings a temperature shift, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 64.8°F (18.2°C). Throughout April, a steady low-temperature average of 47.3°F (8.5°C) is noted.

Humidity

April and July, with an average relative humidity of 71%, are the least humid months in Mount Rainier.

Rainfall

In April, the rain falls for 15.9 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Mount Rainier, Maryland, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mount Rainier, Maryland, are January through April and December. April is the last month it regularly snows in Mount Rainier. During 0.2 snowfall days, in April, Mount Rainier aggregates 0.08" (2mm) of snow. In Mount Rainier, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.

Daylight

The average length of the day in April is 13h and 15min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of April, in Mount Rainier, sunrise is at 6:10 am and sunset at 7:59 pm EDT.

Sunshine

In Mount Rainier, the average sunshine in April is 8.8h.

UV index

In April, the average daily maximum UV index in Mount Rainier, Maryland, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 4 during April leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

What is the usual temperature for Mount Rainier in April?

In Mount Rainier, in April, the average high-temperature is 64.8°F (18.2°C), and the average low-temperature is 47.3°F (8.5°C).

What is the least humid month in Mount Rainier?

The months with the lowest humidity are April and July, with an average relative humidity of 71%.

What is the average humidity in April in Mount Rainier?

In April, the average relative humidity in Mount Rainier, Maryland, is 71%.

How many days does it rain in April in Mount Rainier?

In Mount Rainier, in April, during 15.9 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the last month it snows in Mount Rainier?

April is the last month it regularly snows in Mount Rainier, Maryland. During 0.2 snowfall days, in April, Mount Rainier aggregates 0.08" (2mm) of snow.

How many hours of daylight does Mount Rainier have in April?

In April, the average day length in Mount Rainier, Maryland, is 13h and 15min.

What time are sunrise and sunset in April in Mount Rainier?

On the first day of April in Mount Rainier, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:59 pm EDT.

How long on average sun shines in April in Mount Rainier?

In April, the average sunshine duration in Mount Rainier, Maryland, is 8.8h.

How high is the UV index in April in Mount Rainier?

The average daily maximum UV index in April in Mount Rainier is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mount Rainier, MD

Average temperature in April - Mount Rainier, MD
  • Average high temperature in April: 64.8°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 April: 47.3°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).

[Resources]

Average pressure in April
Mount Rainier, MD

Average pressure in April - Mount Rainier, MD
  • Average pressure in April: 29.99"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).

[Resources]

Average wind speed in April
Mount Rainier, MD

Average wind speed in April - Mount Rainier, MD
  • Average wind speed in April: 8.2mph

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).

[Resources]

Average humidity in April
Mount Rainier, MD

Average humidity in April - Mount Rainier, MD
  • Average humidity in April: 71%

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%).

[Resources]

Average rainfall in April
Mount Rainier, MD

Average rainfall in April - Mount Rainier, MD
  • Average rainfall in April: 2.72"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

[Resources]

Average rainfall days in April
Mount Rainier, MD

Average rainfall days in April - Mount Rainier, MD
  • Average rainfall days in April: 15.9 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).

[Resources]

Average snowfall in April
Mount Rainier, MD

Average snowfall in April - Mount Rainier, MD
  • Average snowfall in April: 0.08"

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").

[Resources]

Average snowfall days in April
Mount Rainier, MD

Average snowfall days in April - Mount Rainier, MD
  • Average snowfall days in April: 0.2 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).

[Resources]

Average daylight in April /
Average sunshine in April
Mount Rainier, MD

Average daylight in April / Average sunshine in April - Mount Rainier, MD
  • Average daylight in April: 13h and 1min

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 April: 8h and 5min

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).

[Resources]

Average sunshine days in April
Mount Rainier, MD

Average sunshine days in April - Mount Rainier, MD
  • Average sunshine days in April: 12.5 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).

[Resources]

Average UV index in April
Mount Rainier, MD

Average UV index in April - Mount Rainier, MD
  • Average UV index in April: 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).

[Resources]

Average cloud cover in April
Mount Rainier, MD

Average cloud cover in April - Mount Rainier, MD
  • Average cloud cover in April: 41

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

[Resources]

Average visibility in April
Mount Rainier, MD

Average visibility in April - Mount Rainier, MD
  • Average visibility in April: 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).

[Resources]

Mount Rainier, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location