United StatesThe climate of Rockville
The current climate in Rockville features temperatures ranging from a high of 29°C to a low of 4°C throughout the year. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -6°C and in the warmer months around 18°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Rockville, Massachusetts.
Temperature records
The highest temperature recorded in Rockville in recent years was 37°C in June 2021. The lowest daytime temperature recorded was -14°C in January 2019.
Precipitation and snowfall
On average, Rockville gets 1702 mm of precipitation each year. Of this, about 170 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Rockville?
The best time to visit Rockville for mild to warm weather is April up to September. You might get some rain, but the temperatures are just right to explore Rockville.
Find affordable trips to Rockville
Climate Table of Rockville
The climate table of Rockville shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 4 | 5 | 9 | 15 | 21 | 26 | 29 | 29 | 25 | 18 | 11 | 7 |
| Temp. min (°C) | -5 | -5 | -1 | 5 | 9 | 14 | 18 | 17 | 13 | 7 | 0 | -2 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 138 | 136 | 139 | 176 | 87 | 143 | 97 | 113 | 134 | 233 | 199 | 107 |
| Snow (cm) | 50 | 61 | 35 | 4,4 | 0 | 0 | 0 | 0 | 0 | 4,3 | 4,2 | 9,9 |
| UV Index | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 4 | 5 | 3 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Rockville, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Rockville
Yearly Temperature in Rockville
Precipitation charts
These charts show the average amount of precipitation in Rockville, 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.
Average Precipitation per Month in Rockville
Total Yearly Precipitation in Rockville
Average Snowfall per Month in Rockville
Total Yearly Snowfall in Rockville
UV index chart
This chart shows the average UV index per month in Rockville, Massachusetts. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Rockville
Weather experiences in Rockville
Have you been to Rockville?
Share your weather experiences in Rockville.
Average weather in Rockville by month
Click on a month below to see detailed weather info for Rockville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.