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New Hampshire Weather in July

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

Thinking about venturing to New Hampshire, the United States of America this July and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in New Hampshire in July

New Hampshire, the United States of America is a region in the United States of America. July in New Hampshire generally has warm temperatures, with precipitation levels ranging from moderate to heavy. During July, summer is in full swing.

Temperatures

The average maximum temperatures are warm and range from 24°C (75°F) in Waterville Valley to 29°C (84°F) in Nashua. Nighttime temperatures generally drop to 17°C (63°F) in Nashua and 12°C (54°F) in Waterville Valley. On average, July is the warmest month of the year in New Hampshire, the United States of America. So be prepared and pack summer clothes.

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

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Nashua with an average of 94 mm (3.7 in) to heavy rainfall in Waterville Valley with 161 mm (6.3 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Portsmouth enjoys approximately 295 hours of sunlight, ideal for those seeking sunny weather.

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)

Best Places to Visit in New Hampshire in July

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

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 July for some of the most popular destinations in New Hampshire, the United States of America?

Temperature range in New Hampshire (July)

Precipitation variation in New Hampshire (July)

Portsmouth

In July Portsmouth generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are very good that month.

June
July
August
Max temperature
23°C (73°F)
27°C (81°F)
26°C (79°F)
Min temperature
13°C (55°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
274 hours
295 hours
261 hours
Monthly rainfall
139 mm (5.5 in)
110 mm (4.3 in)
102 mm (4 in)
Monthly rainy days
14 days
12 days
10 days
Weather conditions

Nashua

In July Nashua generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

June
July
August
Max temperature
25°C (77°F)
29°C (84°F)
28°C (82°F)
Min temperature
14°C (57°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
274 hours
295 hours
261 hours
Monthly rainfall
125 mm (4.9 in)
94 mm (3.7 in)
100 mm (3.9 in)
Monthly rainy days
14 days
13 days
11 days
Weather conditions

Weirs Beach

In July Weirs Beach generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 16°C (61°F) and high monthly rainfall. So on average the conditions are very good that month.

June
July
August
Max temperature
23°C (73°F)
27°C (81°F)
26°C (79°F)
Min temperature
13°C (55°F)
16°C (61°F)
14°C (57°F)
Monthly sun hours
274 hours
295 hours
261 hours
Monthly rainfall
136 mm (5.4 in)
131 mm (5.2 in)
109 mm (4.3 in)
Monthly rainy days
16 days
13 days
11 days
Weather conditions

Dover

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

June
July
August
Max temperature
24°C (75°F)
28°C (82°F)
27°C (81°F)
Min temperature
12°C (54°F)
16°C (61°F)
14°C (57°F)
Monthly sun hours
274 hours
295 hours
261 hours
Monthly rainfall
127 mm (5 in)
101 mm (4 in)
101 mm (4 in)
Monthly rainy days
14 days
12 days
11 days
Weather conditions

Tilton

In July Tilton generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are very good that month.

June
July
August
Max temperature
24°C (75°F)
27°C (81°F)
26°C (79°F)
Min temperature
12°C (54°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
274 hours
295 hours
261 hours
Monthly rainfall
136 mm (5.4 in)
134 mm (5.3 in)
107 mm (4.2 in)
Monthly rainy days
16 days
14 days
11 days
Weather conditions

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

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Portsmouth 27°C (81°F) 17°C (63°F) 110 mm (4.3 in)
Nashua 29°C (84°F) 17°C (63°F) 94 mm (3.7 in)
Weirs Beach 27°C (81°F) 16°C (61°F) 131 mm (5.2 in)
Dover 28°C (82°F) 16°C (61°F) 101 mm (4 in)
Tilton 27°C (81°F) 15°C (59°F) 134 mm (5.3 in)
Gilford 27°C (81°F) 16°C (61°F) 136 mm (5.4 in)

New Hampshire weather in July: frequently asked questions

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

July in New Hampshire, the United States of America brings very good weather. In Portsmouth, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 17°C (63°F).

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

Average temperatures in New Hampshire, the United States of America during July range from a nighttime low near 17°C (63°F) to a daytime high around 27°C (81°F) in Portsmouth.

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

New Hampshire, the United States of America sees substantial rainfall in July. Portsmouth typically averages about 110 mm (4.3 in), a mix of wet and dry days, but bring an umbrella.

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

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

On average, the best time to visit New Hampshire, the United States of America is in September with generally excellent weather in Portsmouth. On the other hand, the weather in January, February, March, April, November and December tend to be less favorable.

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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Need travel inspiration? Check out our bucket list articles and be inspired.