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United StatesThe weather in April in Waltham
It's cool in April in Waltham with an average temperature of 14°C. Temperatures this month range from a low of 10°C to a high of 18°C. At night, you can expect temperatures between 1°C and 8°C.
Looking for sun? April isn’t a good month to be in Waltham. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Waltham, Massachusetts. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2023, Waltham reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was -3°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of -8°C to a highest value of 18°C.
Precipitation and snowfall
In April, there is an average of 151 mm of precipitation, spread over 18 days. Of the total precipitation, about 2,2 cm falls as snow in April. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in April for Waltham
Click on any day in April to get detailed info about the usual weather on that day in Waltham. Check out the historical temperatures and precipitation over the past 10 years on this day.
April weather comparison
| Waltham | New York | |
|---|---|---|
| Average temperature | 14°C | 17°C |
| Max. temperature | 18°C | 22°C |
| Min. temperature | 1°C | -5°C |
| Total precipitation | 151 mm | 81 mm |
| Rainy days | 18 days | 11 days |
| Total snowfall | 2,2 cm | 0,4 cm |
| Snowy days | 1 day | 1 day |
Start of April
The month of April starts in Waltham with cool temps, averaging around 12°C during the day and nights around 3°C.
Mid April
By mid-April, daytime temps rise to around 16°C, with nights around 6°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Waltham is around 16°C, while nighttime temps are about 7°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Waltham for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in April in Waltham, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Waltham
Temperature in April in Waltham over the years
Precipitation charts
These charts show the average amount of precipitation in April in Waltham, Massachusetts. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in April in Waltham
Total precipitation in April in Waltham over the years
Daily Snowfall in April in Waltham
Snowfall in April in Waltham per year
Daily UV index in April in Waltham
This chart shows the average daily UV index in April in Waltham, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in April in Waltham
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Average weather in Waltham by month
Click on a month below to see detailed weather info for Waltham. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.