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Normal weather for Billerica in July

It's warm in July in Billerica with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 16°C and 20°C.

In July, there is an average of 136 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the South.

Billerica in July

New York
Temperature Average Temperature
29°C 31°C
Sun High Temp
31°C 33°C
Sun Low Temp
27°C 29°C
Rain Total Precipitation
136 mm 160 mm
Rain Rainy Days
16 days 18 days

Start of July

The month of July starts in Billerica with hot temps, averaging around 29°C during the day and nights around 18°C. There are plenty of days with a good chance of precipitation.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

Mid July

By mid-July, daytime temps stay steady at around 29°C, with nights around 19°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

End of July

By the end of July, the average daytime temperature in Billerica is around 29°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is July a good time to visit Billerica?

Looking for sun? July isn’t a good month to be in Billerica. The temperature is nice, but there’s too much chance of rain.

Temperature records for Billerica in July

Check out the climate of Billerica for all months and discover the best travel time

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Daily Temperature in July in Billerica

This chart shows the average daily high and low temperatures in July for Billerica, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in July in Billerica

Daily Precipitation in July in Billerica

The chart below shows the average daily precipitation in July for Billerica, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 16 days of precipitation in Billerica.

Daily Precipitation in July in Billerica

Daily UV Index in July in Billerica

This chart shows the average daily UV index in July in Billerica, 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.

Daily UV Index in July in Billerica

Temperature in July in Billerica Over the Years

This chart shows the average temperature in July in Billerica, measured in degrees Celsius, over the past few years.

Temperature in July in Billerica Over the Years

Total Precipitation in July in Billerica Over the Years

This chart shows the average precipitation in July in Billerica, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in July in Billerica Over the Years

Daily Climate in July for Billerica

Click on any day in July to get detailed info about the usual weather on that day in Billerica. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in July in Billerica

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Average Weather in Billerica by Month

Click on a month below to see detailed weather info for Billerica. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Billerica for all months at once

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