Marin County

Marin County Weather in March

Average temperatures, rainfall, sunshine and the best places to visit in Marin County, the United States of America in March.

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Novato San Rafael Mill Valley Sausalito

Are you planning a trip a to Marin County, the United States of America in March and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Marin County in March

Marin County, the United States of America is a region in the United States of America. March in Marin County generally has mild temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 6°C (43°F) in Novato.

To learn more about the conditions in specific areas of Marin County, the United States of America, check out the map below.

Precipitation

In March, precipitation varies across different areas. From moderate rainfall in Novato with an average of 94 mm (3.7 in) to high rainfall in Fairfax with 138 mm (5.4 in).

Average sunshine

Most destinations offer generous amounts of sunshine this March. For example, Novato gets approximately 270 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Marin County by month

Pick a month to see the average temperature, rainfall and sunshine in Marin County - and find the best time to visit. (based on Novato)

January14°C (57°F) February16°C (61°F) March18°C (64°F) April20°C (68°F) May22°C (72°F) June26°C (79°F) This monthJuly27°C (81°F) August27°C (81°F) September28°C (82°F) October24°C (75°F) November18°C (64°F) December14°C (57°F)
Best Time to Visit Marin County →

Best Places to Visit in Marin County in March

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Marin County.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Marin County

What is the weather like in March for some of the most popular destinations in Marin County, the United States of America?

Temperature range in Marin County (March)

Precipitation variation in Marin County (March)

Novato

In March Novato generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« February
March
April »
February
March
April
Max temperature
16°C (61°F)
18°C (64°F)
20°C (68°F)
Min temperature
6°C (43°F)
6°C (43°F)
7°C (45°F)
Monthly sun hours
209 hours
270 hours
310 hours
Monthly rainfall
120 mm (4.7 in)
94 mm (3.7 in)
48 mm (1.9 in)
Monthly rainy days
9 days
11 days
7 days
Weather conditions
mixed
very good
excellent
Climate in Novato →

San Rafael

In March San Rafael generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are good that month.

« February
March
April »
February
March
April
Max temperature
16°C (61°F)
18°C (64°F)
19°C (66°F)
Min temperature
7°C (45°F)
7°C (45°F)
8°C (46°F)
Monthly sun hours
209 hours
270 hours
310 hours
Monthly rainfall
135 mm (5.3 in)
125 mm (4.9 in)
65 mm (2.6 in)
Monthly rainy days
9 days
11 days
7 days
Weather conditions
mixed
good
very good
Climate in San Rafael →

Mill Valley

In March Mill Valley generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are good that month.

« February
March
April »
February
March
April
Max temperature
16°C (61°F)
18°C (64°F)
18°C (64°F)
Min temperature
7°C (45°F)
7°C (45°F)
8°C (46°F)
Monthly sun hours
209 hours
270 hours
310 hours
Monthly rainfall
128 mm (5 in)
125 mm (4.9 in)
66 mm (2.6 in)
Monthly rainy days
10 days
12 days
8 days
Weather conditions
mixed
good
very good
Climate in Mill Valley →

Sausalito

In March Sausalito generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are mixed that month.

« February
March
April »
February
March
April
Max temperature
16°C (61°F)
17°C (63°F)
17°C (63°F)
Min temperature
8°C (46°F)
8°C (46°F)
9°C (48°F)
Monthly sun hours
209 hours
270 hours
310 hours
Monthly rainfall
99 mm (3.9 in)
102 mm (4 in)
53 mm (2.1 in)
Monthly rainy days
10 days
11 days
8 days
Weather conditions
good
mixed
good
Climate in Sausalito →

Fairfax

In March Fairfax generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are good that month.

« February
March
April »
February
March
April
Max temperature
16°C (61°F)
18°C (64°F)
20°C (68°F)
Min temperature
6°C (43°F)
7°C (45°F)
8°C (46°F)
Monthly sun hours
209 hours
270 hours
310 hours
Monthly rainfall
157 mm (6.2 in)
138 mm (5.4 in)
75 mm (3 in)
Monthly rainy days
10 days
11 days
8 days
Weather conditions
mixed
good
excellent
Climate in Fairfax →

Is your destination not in the list? Have a look at all destinations in Marin County, in the United States of America.

Popular cities in March

Day & night temperatures, rainfall and average weather in Marin County in March.

City Weather Day temp Night temp Rainfall
Novato 18°C (64°F) 6°C (43°F) 94 mm (3.7 in)
San Rafael 18°C (64°F) 7°C (45°F) 125 mm (4.9 in)
Mill Valley 18°C (64°F) 7°C (45°F) 125 mm (4.9 in)
Sausalito 17°C (63°F) 8°C (46°F) 102 mm (4 in)
Fairfax 18°C (64°F) 7°C (45°F) 138 mm (5.4 in)
Larkspur 18°C (64°F) 7°C (45°F) 126 mm (5 in)

Marin County weather in March: frequently asked questions

What is the weather like in Marin County, the United States of America in March?

Marin County, the United States of America typically experiences very good weather in March, part of the season. Daytime highs in Novato average around 18°C (64°F), and temperatures drop to about 6°C (43°F) at night.

What is the average temperature in Marin County, the United States of America in March?

Novato averages a daytime maximum of 18°C (64°F) in March, with overnight lows close to 6°C (43°F).

Does Marin County, the United States of America get a lot of rain in March?

Not particularly. Novato averages just 94 mm (3.7 in) of rain in March, making it a mostly dry month for Marin County, the United States of America.

Is March a Good Time to Visit Marin County, the United States of America?

In our opinion, March is a good time to visit Marin County, the United States of America with overall very good weather in Novato. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Marin County, the United States of America is in April, May, June, July, August, September and October with generally excellent weather in Novato. On the other hand, the weather in January, February and December tend to be mixed.

Interested in more climate information?

We have much more information about the climate in Marin County.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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