Napa

Napa Valley Weather in June

Average temperatures, rainfall, sunshine and the best places to visit in the Napa Valley, the United States of America in June.

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Napa Calistoga St. Helena Yountville

Considering a trip to the Napa Valley, the United States of America this June and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Napa Valley in June

The Napa Valley, the United States of America is a region in the United States of America. June in the Napa Valley generally has warm temperatures, with low precipitation.

Temperatures

The average maximum temperatures are warm and range from 26°C (79°F) in American Canyon to 30°C (86°F) in St. Helena. Nighttime temperatures generally drop to 12°C (54°F) in St. Helena and 11°C (52°F) in American Canyon.

For specific regional insights in the Napa Valley, the United States of America, refer to the map provided below.

Precipitation

In June, precipitation varies across different areas. From low rainfall in American Canyon with an average of 5.4 mm (0.2 in) to low rainfall in Calistoga with 9.6 mm (0.4 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in June. Napa typically receives 305 hours of sunlight, making it ideal for those seeking sunny weather.

Explore the Napa Valley by month

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

January15°C (59°F) February17°C (63°F) March19°C (66°F) April22°C (72°F) May25°C (77°F) June28°C (82°F) This monthJuly29°C (84°F) August29°C (84°F) September30°C (86°F) October26°C (79°F) November19°C (66°F) December14°C (57°F)
Best Time to Visit the Napa Valley →

Best Places to Visit in the Napa Valley in June

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

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 the Napa Valley

What is the weather like in June for some of the most popular destinations in the Napa Valley, the United States of America?

Temperature range in the Napa Valley (June)

Precipitation variation in the Napa Valley (June)

Napa

In June Napa generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 12°C (54°F) and low monthly rainfall. So on average the conditions are excellent that month.

« May
June
July »
May
June
July
Max temperature
25°C (77°F)
28°C (82°F)
29°C (84°F)
Min temperature
10°C (50°F)
12°C (54°F)
13°C (55°F)
Monthly sun hours
310 hours
305 hours
306 hours
Monthly rainfall
16 mm (0.6 in)
7.5 mm (0.3 in)
0.1 mm (0 in)
Monthly rainy days
3 days
a single day
0 days
Weather conditions
excellent
excellent
excellent
Climate in Napa →

Calistoga

In June Calistoga generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are excellent that month.

« May
June
July »
May
June
July
Max temperature
25°C (77°F)
30°C (86°F)
32°C (90°F)
Min temperature
9°C (48°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
310 hours
305 hours
306 hours
Monthly rainfall
24 mm (0.9 in)
9.6 mm (0.4 in)
0.5 mm (0.02 in)
Monthly rainy days
4 days
2 days
0 days
Weather conditions
excellent
excellent
excellent
Climate in Calistoga →

St. Helena

In June St. Helena generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 12°C (54°F) and low monthly rainfall. So on average the conditions are excellent that month.

« May
June
July »
May
June
July
Max temperature
26°C (79°F)
30°C (86°F)
32°C (90°F)
Min temperature
10°C (50°F)
12°C (54°F)
13°C (55°F)
Monthly sun hours
310 hours
305 hours
306 hours
Monthly rainfall
21 mm (0.8 in)
8.5 mm (0.3 in)
0.4 mm (0.02 in)
Monthly rainy days
4 days
a single day
0 days
Weather conditions
excellent
excellent
excellent
Climate in St. Helena →

Yountville

In June Yountville generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are excellent that month.

« May
June
July »
May
June
July
Max temperature
25°C (77°F)
29°C (84°F)
32°C (90°F)
Min temperature
10°C (50°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
310 hours
305 hours
306 hours
Monthly rainfall
19 mm (0.7 in)
6.5 mm (0.3 in)
0.2 mm (0.01 in)
Monthly rainy days
4 days
a single day
0 days
Weather conditions
excellent
excellent
excellent
Climate in Yountville →

American Canyon

In June American Canyon generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are excellent that month.

« May
June
July »
May
June
July
Max temperature
23°C (73°F)
26°C (79°F)
27°C (81°F)
Min temperature
9°C (48°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
324 hours
312 hours
313 hours
Monthly rainfall
13 mm (0.5 in)
5.4 mm (0.2 in)
0.2 mm (0.01 in)
Monthly rainy days
3 days
a single day
0 days
Weather conditions
excellent
excellent
excellent
Climate in American Canyon →

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

Popular cities in June

Day & night temperatures, rainfall and average weather in the Napa Valley in June.

City Weather Day temp Night temp Rainfall
Napa 28°C (82°F) 12°C (54°F) 7.5 mm (0.3 in)
Calistoga 30°C (86°F) 11°C (52°F) 9.6 mm (0.4 in)
St. Helena 30°C (86°F) 12°C (54°F) 8.5 mm (0.3 in)
Yountville 29°C (84°F) 11°C (52°F) 6.5 mm (0.3 in)
American Canyon 26°C (79°F) 11°C (52°F) 5.4 mm (0.2 in)

The Napa Valley weather in June: frequently asked questions

What is the weather like in the Napa Valley, the United States of America in June?

In June, the Napa Valley, the United States of America generally has excellent weather conditions. Napa sees daytime temperatures near 28°C (82°F), with nights cooling to roughly 12°C (54°F).

What is the average temperature in the Napa Valley, the United States of America in June?

Average temperatures in the Napa Valley, the United States of America during June range from a nighttime low near 12°C (54°F) to a daytime high around 28°C (82°F) in Napa.

Does the Napa Valley, the United States of America get a lot of rain in June?

June is on the drier side in the Napa Valley, the United States of America. Napa averages only about 7.5 mm (0.3 in), with most days staying dry.

Is June a Good Time to Visit the Napa Valley, the United States of America?

We consider June to be one of the best times to travel to the Napa Valley, the United States of America. Typically, the climate in Napa is excellent.

Generally speaking, April, May, June, July, August and October provide excellent weather in Napa. In contrast, February and December tend to have mixed weather conditions.

Interested in more climate information?

We have much more information about the climate in the Napa Valley.

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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