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Boise in March: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Boise in March will be like? Take a look at our weather guide for Boise, based on historical data.
Check flight prices to Boise on Avionero:
March

Weather in Boise in March 2026

Good Weather
Mild
🌧️
Rainy
Planning a trip to Boise in March? You are in luck! The weather is generally good, with an average maximum temperature of +13°C and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 49 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+13°C
Avg. max. temperature
-12°C
Min.
+26°C
Max.
49 mm
Total precipitation
59%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
7 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Boise has good weather in March.

Average temperature in Boise in March

Here are the expected maximum, average and minimum temperatures in Boise for March based on the historical data.
Last Year
Historical Data

Going from a maximum of +14°C during the day to a minimum of -6°C during the night, the temperature in March averages around +9°C.

The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +4°C to +9°C.

Is Boise warm or cold in March?

Boise is typically mild in March.

Maximum temperatures go up compared to the previous month from +8°C to +13°C. The minimum temperature also goes up from -1°C to +2°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how March is compared to other months in Boise:

Climate in Boise in March

Boise weather looks like this, on average, in March and the surrounding months.
FebruaryMarchApril
Avg. temperature
+8°C+13°C+18°C
Min. temperature
-25°C-12°C-4°C
Max. temperature
+20°C+26°C+33°C
Rainfall
33 mm49 mm41 mm
Wind
2 m/s3 m/s3 m/s
Humidity
68%59%52%
Air pressure
1019 HPa1015 HPa1013 HPa
Sunny days
7910
Cloudy days
877
Rainy days
91313
Snowy days
420

March often has better weather than February. It’s getting warmer as March arrives. The average maximum temperature goes up from +8°C to +13°C during the day. Prepare for more rain. Average rainfall goes from 33 mm to 49 mm. It feels drier, as humidity decreases from 68% to 59%. Winds are stronger in comparison to February, going up from 2 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in March, from 7 to 9.

April brings much the same weather, it remains good.

Wind

Wind speed in Boise in March based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Boise is gradually decreasing during March, going from 5 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during March in Boise based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in March, with total rainfall of approximately 113 mm. The maximum amount of rainfall per day is around 31 mm, which is moderate rain. March is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
March is one of the rainiest months in Boise, here is a comparison with other months, total mm:
Boise wettest month is March, where a typical day has a 42% chance of precipitation and 49 mm of rainfall per day. July, on the other hand, is the driest month with a mere 13% chance of precipitation and 5 mm of rainfall per day.

Snow

Amount of snow in mm during March in Boise based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in March, with a total monthly snowfall of approximately 10 mm.

Here’s how March is compared with other months in the amount of snow, total mm:

How was the weather last March in Boise?

This is the weather in Boise in March 2024:
1 March
🌫️
+4°C
2 March
☀️
+5°C
3 March
☁️
+5°C
4 March
☀️
+6°C
5 March
☁️
+6°C
6 March
☁️
+4°C
7 March
☀️
+5°C
8 March
☀️
+5°C
9 March
☀️
+7°C
10 March
🌧️
+9°C
11 March
☁️
+9°C
12 March
☁️
+10°C
13 March
🌧️
+12°C
14 March
🌧️
+13°C
15 March
🌧️
+10°C
16 March
☀️
+10°C
17 March
☀️
+11°C
18 March
☀️
+13°C
19 March
☀️
+14°C
20 March
🌧️
+12°C
21 March
🌧️
+11°C
22 March
☀️
+12°C
23 March
☁️
+10°C
24 March
🌧️
+11°C
25 March
☁️
+5°C
26 March
☀️
+5°C
27 March
☀️
+9°C
28 March
☁️
+10°C
29 March
☁️
+10°C
30 March
🌫️
+6°C
31 March
☁️
+9°C
In March 2024 Boise had 12 sunny days, 10 cloudy days, and 7 rainy days. The average maximum temperature was +9°C, with an absolute maximum of +14°C and a minimum of +4°C. The average humidity was 67%, with a maximum of 97% and a minimum of 23%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in March?

Climate Change over Years

This is how Boise climate have been changing during last 43 years period.

The climate in Boise in March has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+16°C) and the highest in 2012 (+20°C). The driest year was 2002 with only 219 mm of rainfall, and the wettest year was 2024 with 653 mm.

FAQ

Frequently asked questions about the weather in Boise in March:

Is March a good time to visit Boise?

March is a really good time to go to Boise. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Boise.

Can you sunbathe in Boise in March?

March has mild temperatures in Boise. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Boise rainy in March?

Boise is usually dry in March. Plan your packing around outdoor activities and exploring.

Is it sunny in Boise in March?

Usually, it’s not very sunny in Boise in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Boise

Source of the data

For this page, we’ve looked at the typical weather in Boise, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.