Merrimack (NH) Temperature by Month
This graph shows the average minimum and maximum temperatures throughout the year in Merrimack (New Hampshire), the United States of America. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.
Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.
- The months of May, June, July, August and September have nice average temperatures.
- On average, the warmest month is July with 29°C.
- On average, the coolest month is January with 1°C.
- The average annual maximum temperature is 15°C.
- The average annual minimum temperature is 4°C.
Current temperature in Merrimack (NH)
Fri Nov 22
11°C | 5°C
SE 
22 km/h
22 km/h17 mm
partly cloudy and slight rain
Sat Nov 23
8°C | 4°C
NW 32 km/h
32 km/h9.3 mm
overcast and heavy rain
Sun Nov 24
9°C | 2°C
NW 32 km/h
32 km/h
almost clear and no rain
