2025 Compare Climate & Weather:
Grenada, MS vs Castle Rock, WA

Highlights

On average, there are 139 sunny days per year in Castle Rock. Grenada averages 213 sunny days per year. The US average is 205 sunny days.

Castle Rock, Washington gets 60.8 inches of rain, on average, per year. Grenada, Mississippi gets 57.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castle Rock averages 3.1 inches of snow per year. Grenada averages 0.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Castle Rock, Washington
Summer High: the July high is around 77.1 degrees
Winter Low: the January low is 33.8
Rain: averages 60.8 inches of rain a year
Snow: averages 3.1 inches of snow a year

Grenada, Mississippi
Summer High: the July high is around 90.8 degrees
Winter Low: the January low is 31.4
Rain: averages 57.7 inches of rain a year
Snow: averages 0.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Castle Rock is 7.1 (10=best), which means it is about average compared to other places in Washington.

The annual BestPlaces Comfort Index for Grenada is 7.2 (10=best), which means it is more comfortable than most places in Mississippi.

Today's Weather - Grenada, MS

63°F

Today's Weather - Castle Rock, WA

50°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grenada / Castle Rock

August is the hottest month for Grenada with an average high temperature of 90.9°, which ranks it as cooler than most places in Mississippi. In Grenada, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grenada are October, May and April.

August is the hottest month for Castle Rock with an average high temperature of 78.3°, which ranks it as about average compared to other places in Washington. In Castle Rock, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castle Rock are August, July and September.

January has the coldest nighttime temperatures for Grenada with an average of 31.4°. This is colder than most places in Mississippi.

December has the coldest nighttime temperatures for Castle Rock with an average of 33.0°. This is about average compared to other places in Washington.

In Grenada, there are 57.6 days annually when the high temperature is over 90°, which is cooler than most places in Mississippi.

In Castle Rock, there are 6.0 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Grenada, there are 56.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Mississippi.

In Castle Rock, there are 57.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Grenada, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Mississippi.

In Castle Rock, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

December is the wettest month in Grenada with 6.4 inches of rain, and the driest month is August with 3.6 inches. The wettest season is Spring with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 57.7 inches in Grenada means that it is wetter than most places in Mississippi.


November is the wettest month in Castle Rock with 9.9 inches of rain, and the driest month is July with 1.0 inches. The wettest season is Spring with 38% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 60.8 inches in Castle Rock means that it is wetter than most places in Washington.

January is the rainiest month in Grenada with 9.4 days of rain, and September is the driest month with only 5.6 rainy days. There are 95.5 rainy days annually in Grenada, which is less rainy than most places in Mississippi. The rainiest season is Spring when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

November is the rainiest month in Castle Rock with 21.3 days of rain, and August is the driest month with only 6.0 rainy days. There are 181.2 rainy days annually in Castle Rock, which is rainier than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 0.9 inches in Grenada means that it is snowier than most places in Mississippi.

An annual snowfall of 3.1 inches in Castle Rock means that it is less snowy than most places in Washington.

January is the snowiest month in Grenada with 0.5 inches of snow, and 1 month of the year have significant snowfall.

December is the snowiest month in Castle Rock with 1.2 inches of snow, and 3 months of the year have significant snowfall.