October Weather in Nashua, United States

Last updated: June 24, 2025

The average temperature in Nashua, United States during October is a mild 12°C (55°F). However, be prepared for a range of temperatures, with minimums dipping to -5°C (23°F) and maximums reaching 29°C (84°F). This month also sees an average precipitation amount of 128 mm (5.0 in) over approximately 11 days, contributing to an average humidity of 78%.

October Temperature in Nashua

In October in Nashua, the average temperature is 12°C (55°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -5°C (23°F). Be sure to pack layers to enjoy both warm days and chilly nights during your travels.

October Weather in Nashua: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Nashua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nashua, October typically has an average temperature of 12°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Nashua generated using information from the Copernicus Climate Change Service.

October Precipitation in Nashua

In Nashua in October, the total precipitation amount is 128 mm (5.0 in) spread over 11 days.

October Precipitation Trends in Nashua

The chart displays monthly precipitation patterns in Nashua, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Nashua, October typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Nashua

In Nashua in October humidity is 78%. With average temperature 12°C (55°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less enjoyable and travel a bit uncomfortable unless you're layered appropriately.

October Average Humidity in Nashua

This chart illustrates the average monthly humidity levels in Nashua, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Nashua is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Nashua

In Nashua in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Nashua, you can refer to this Hourly UV Index in Nashua.

Maximum UV Index Levels in Nashua for October

The chart shows the monthly maximum UV Index (UVI) for Nashua in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Nashua typically reaches 6, which falls under the high exposure category.

Data source: Nashua October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Nashua Compares to Other Months

Weather in Nashua varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nashua, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Nashua, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	71 mm (2.8 inches)	86%	moderate
February Weather	-1°C (31°F)	84 mm (3.3 inches)	84%	moderate
March Weather	2°C (37°F)	82 mm (3.2 inches)	82%	moderate
April Weather	9°C (48°F)	126 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	81 mm (3.2 inches)	72%	very high
June Weather	20°C (69°F)	85 mm (3.3 inches)	72%	very high
July Weather	23°C (74°F)	136 mm (5.4 inches)	67%	very high
August Weather	23°C (73°F)	85 mm (3.4 inches)	66%	very high
September Weather	19°C (66°F)	77 mm (3.0 inches)	71%	high
October Weather	12°C (55°F)	128 mm (5.0 inches)	78%	high
November Weather	5°C (41°F)	98 mm (3.9 inches)	84%	moderate
December Weather	0°C (32°F)	120 mm (4.7 inches)	81%	low