April weather forecast
Saint Peters, MO

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Weather in April

April's weather in Saint Peters, Missouri boasts the full-blown effects of spring. Its characteristic mild temperatures and longer daylight hours make outdoor activities more enticing. The significant increase in rainfall is apparent, with the amount of rainfall more than doubling to 2.48" (63mm) when compared to the previous month. Consequentially, rain frequents the forecast more often than not. May carries forth the warming streak of April, though with a notable increase in humidity.

Temperature

A rise in the average high-temperature is observed in Saint Peters during April, moving from a fresh 54.1°F (12.3°C) in March to a refreshing 65.3°F (18.5°C). In Saint Peters, an average temperature of 47.3°F (8.5°C) is noted during April nights.

Humidity

The average relative humidity in April in Saint Peters is 75%.

Rainfall

The month with the most rainfall in Saint Peters, Missouri, is April, when the rain falls for 13.4 days and typically aggregates up to 2.48" (63mm) of precipitation.

Snowfall

In Saint Peters, snow does not fall in April through October.

Daylight

In Saint Peters, the average length of the day in April is 13h and 14min.
On the first day of April, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:54 pm CDT.

Sunshine

In Saint Peters, the average sunshine in April is 8.6h.

UV index

In Saint Peters, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What are the temperatures in Saint Peters in April?

Saint Peters in April has an average high-temperature of 65.3°F (18.5°C) and an average low-temperature of 47.3°F (8.5°C).

What is the average humidity in April in Saint Peters?

In Saint Peters, the average relative humidity in April is 75%.

What is the rainiest month in Saint Peters?

April is the month with the most rainfall. Rain falls for 13.4 days and accumulates 2.48" (63mm) of precipitation.

How much does it rain in Saint Peters in April?

In Saint Peters, Missouri, during April, the rain falls for 13.4 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Saint Peters?

In Saint Peters, Missouri, snow does not fall in April through October.

Does it snow in Saint Peters in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Saint Peters have in April?

In Saint Peters, the average day length in April is 13h and 14min.

When are sunrise and sunset in April in Saint Peters?

On the first day of April in Saint Peters, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:54 pm CDT.

How long on average sun shines in April in Saint Peters?

The average sunshine duration in April in Saint Peters is 8.6h.

How high is the UV index in April in Saint Peters?

In Saint Peters, Missouri, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Saint Peters, MO

Average temperature in April - Saint Peters, MO
  • Average high temperature in April: 65.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in April: 47.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in April
Saint Peters, MO

Average pressure in April - Saint Peters, MO
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Saint Peters, MO

Average wind speed in April - Saint Peters, MO
  • Average wind speed in April: 8.9mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in April
Saint Peters, MO

Average humidity in April - Saint Peters, MO
  • Average humidity in April: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Saint Peters, MO

Average rainfall in April - Saint Peters, MO
  • Average rainfall in April: 2.48"

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in April
Saint Peters, MO

Average rainfall days in April - Saint Peters, MO
  • Average rainfall days in April: 13.4 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall in April
Saint Peters, MO

Average snowfall in April - Saint Peters, MO
  • Average snowfall in April: 0"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
Saint Peters, MO

Average snowfall days in April - Saint Peters, MO
  • Average snowfall days in April: 0.3 days

The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Saint Peters, MO

Average daylight in April / Average sunshine in April - Saint Peters, MO
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in April: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in April
Saint Peters, MO

Average sunshine days in April - Saint Peters, MO
  • Average sunshine days in April: 15 days

The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in April
Saint Peters, MO

Average UV index in April - Saint Peters, MO
  • Average UV index in April: 5

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).

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Average cloud cover in April
Saint Peters, MO

Average cloud cover in April - Saint Peters, MO
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Saint Peters, MO

Average visibility in April - Saint Peters, MO
  • 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).

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Saint Peters, Missouri, USA

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