Hampton Beach

New Hampshire Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in New Hampshire, the United States of America in August.

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Portsmouth Nashua Weirs Beach Dover

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

What to Expect in New Hampshire in August

New Hampshire, the United States of America is a region in the United States of America. August in New Hampshire generally has warm temperatures, with precipitation levels ranging from moderate to high. August falls during the summer season.

Temperatures

The average maximum temperatures are warm and range from 23°C (73°F) in Waterville Valley to 28°C (82°F) in Nashua. Nighttime temperatures generally drop to 16°C (61°F) in Nashua and 11°C (52°F) in Waterville Valley.

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

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in West Lebanon with an average of 89 mm (3.5 in) to high rainfall in Waterville Valley with 150 mm (5.9 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Portsmouth sees close to 261 hours of sunlight, making it great for sun lovers.

Explore New Hampshire by month

Pick a month to see the average temperature, rainfall and sunshine in New Hampshire — and find the best time to visit. (based on Portsmouth)

January1°C (34°F) February2°C (36°F) March7°C (45°F) April13°C (55°F) May19°C (66°F) June23°C (73°F) This monthJuly27°C (81°F) August26°C (79°F) September23°C (73°F) October16°C (61°F) November10°C (50°F) December5°C (41°F)
Best Time to Visit New Hampshire →

Best Places to Visit in New Hampshire in August

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

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 New Hampshire

What is the weather like in August for some of the most popular destinations in New Hampshire, the United States of America?

Temperature range in New Hampshire (August)

Precipitation variation in New Hampshire (August)

Portsmouth

In August Portsmouth generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 16°C (61°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Min temperature
17°C (63°F)
16°C (61°F)
12°C (54°F)
Monthly sun hours
295 hours
261 hours
214 hours
Monthly rainfall
110 mm (4.3 in)
102 mm (4 in)
96 mm (3.8 in)
Monthly rainy days
12 days
10 days
9 days
Weather conditions
pleasant
pleasant
perfect
Climate in Portsmouth →

Nashua

In August Nashua generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
28°C (82°F)
24°C (75°F)
Min temperature
17°C (63°F)
16°C (61°F)
11°C (52°F)
Monthly sun hours
295 hours
261 hours
214 hours
Monthly rainfall
94 mm (3.7 in)
100 mm (3.9 in)
89 mm (3.5 in)
Monthly rainy days
13 days
11 days
10 days
Weather conditions
perfect
pleasant
perfect
Climate in Nashua →

Weirs Beach

In August Weirs Beach generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
26°C (79°F)
22°C (72°F)
Min temperature
16°C (61°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
295 hours
261 hours
214 hours
Monthly rainfall
131 mm (5.2 in)
109 mm (4.3 in)
96 mm (3.8 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions
pleasant
pleasant
perfect
Climate in Weirs Beach →

Dover

In August Dover generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
27°C (81°F)
23°C (73°F)
Min temperature
16°C (61°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
295 hours
261 hours
214 hours
Monthly rainfall
101 mm (4 in)
101 mm (4 in)
91 mm (3.6 in)
Monthly rainy days
12 days
11 days
10 days
Weather conditions
pleasant
pleasant
perfect
Climate in Dover →

Tilton

In August Tilton generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
26°C (79°F)
22°C (72°F)
Min temperature
15°C (59°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
295 hours
261 hours
214 hours
Monthly rainfall
134 mm (5.3 in)
107 mm (4.2 in)
94 mm (3.7 in)
Monthly rainy days
14 days
11 days
10 days
Weather conditions
pleasant
pleasant
perfect
Climate in Tilton →

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

Popular cities in August

Day & night temperatures, rainfall and average weather in New Hampshire in August.

City Weather Day temp Night temp Rainfall
Portsmouth 26°C (79°F) 16°C (61°F) 102 mm (4 in)
Nashua 28°C (82°F) 16°C (61°F) 100 mm (3.9 in)
Weirs Beach 26°C (79°F) 14°C (57°F) 109 mm (4.3 in)
Dover 27°C (81°F) 14°C (57°F) 101 mm (4 in)
Tilton 26°C (79°F) 14°C (57°F) 107 mm (4.2 in)
Gilford 26°C (79°F) 14°C (57°F) 109 mm (4.3 in)

New Hampshire weather in August: frequently asked questions

What is the weather like in New Hampshire, the United States of America in August?

August in New Hampshire, the United States of America brings pleasant weather. In Portsmouth, daytime temperatures are typically around 26°C (79°F) and nighttime lows hover near 16°C (61°F).

What is the average temperature in New Hampshire, the United States of America in August?

Average temperatures in New Hampshire, the United States of America during August range from a nighttime low near 16°C (61°F) to a daytime high around 26°C (79°F) in Portsmouth.

Does New Hampshire, the United States of America get a lot of rain in August?

Yes, August tends to be a wetter month in New Hampshire, the United States of America. Average rainfall in Portsmouth sits around 102 mm (4 in).

Is August a Good Time to Visit New Hampshire, the United States of America?

Given the typically pleasant weather conditions in Portsmouth, August might be a good time to visit New Hampshire, the United States of America.

Generally speaking, September provides perfect weather in Portsmouth. The weather in January, February, March, April, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in New Hampshire.

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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