April weather forecast
Hamilton, CO

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Weather in April

April in Hamilton, Colorado, is a cool spring month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 50.2°F (10.1°C).

Temperature

Noticing a change, the average high-temperature during April moves from March's cold 40.3°F (4.6°C) to a fresh 50.2°F (10.1°C). In Hamilton, an average nighttime temperature of 30.7°F (-0.7°C) is expected during April.

Humidity

The average relative humidity in April in Hamilton is 63%.

Rainfall

April is the month with the most rainfall. Rain falls for 10.8 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Hamilton, Colorado. In Hamilton, Colorado, in April, during 7.9 snowfall days, 5.31" (135mm) of snow is typically accumulated. In Hamilton, during the entire year, snow falls for 68.6 days and aggregates up to 41.3" (1049mm) of snow.

Daylight

In Hamilton, the average length of the day in April is 13h and 19min.
On the first day of April, sunrise is at 6:52 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:05 pm MDT.

Sunshine

The average sunshine in April in Hamilton is 10.1h.

UV index

In Hamilton, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 3 in April translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Hamilton?

The average high-temperature, in April, in Hamilton, is 50.2°F (10.1°C), while the average low-temperature is 30.7°F (-0.7°C).

What is the average humidity in April in Hamilton?

In Hamilton, Colorado, the average relative humidity in April is 63%.

What is the wettest month in Hamilton?

April is the month with the most rainfall in Hamilton, Colorado. Rain falls for 10.8 days and accumulates 1.38" (35mm) of precipitation.

How much does it rain in Hamilton in April?

In Hamilton, Colorado, during April, the rain falls for 10.8 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How many days does it snow in April in Hamilton?

In Hamilton, in April, during 7.9 snowfall days, 5.31" (135mm) of snow is typically accumulated.

How many hours of daylight does Hamilton have in April?

The average day length in April in Hamilton is 13h and 19min.

When are sunrise and sunset in April in Hamilton?

On the first day of April in Hamilton, sunrise is at 6:52 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:05 pm MDT.

How long on average sun shines in April in Hamilton?

In Hamilton, the average sunshine duration in April is 10.1h.

What is the UV index intensity in April in Hamilton?

The average daily maximum UV index in April in Hamilton is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Hamilton, CO

Average temperature in April - Hamilton, CO
  • Average high temperature in April: 50.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in April: 30.7°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in April
Hamilton, CO

Average pressure in April - Hamilton, CO
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).

Average wind speed in April
Hamilton, CO

Average wind speed in April - Hamilton, CO
  • Average wind speed in April: 7.9mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity in April
Hamilton, CO

Average humidity in April - Hamilton, CO
  • Average humidity in April: 63%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).

Average rainfall in April
Hamilton, CO

Average rainfall in April - Hamilton, CO
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").

Average rainfall days in April
Hamilton, CO

Average rainfall days in April - Hamilton, CO
  • Average rainfall days in April: 10.8 days

The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in April
Hamilton, CO

Average snowfall in April - Hamilton, CO
  • Average snowfall in April: 5.31"

The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Hamilton, CO

Average snowfall days in April - Hamilton, CO
  • Average snowfall days in April: 7.9 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Hamilton, CO

Average daylight in April / Average sunshine in April - Hamilton, CO
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in April
Hamilton, CO

Average sunshine days in April - Hamilton, CO
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in April
Hamilton, CO

Average UV index in April - Hamilton, CO
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in April
Hamilton, CO

Average cloud cover in April - Hamilton, CO
  • Average cloud cover in April: 33

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in April
Hamilton, CO

Average visibility in April - Hamilton, CO
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

Hamilton, Colorado, USA

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