October Weather in Londonderry, United States

Last updated: June 24, 2025

In October, the average temperature in Londonderry, United States hovers around 13°C (55°F). However, be prepared for a range of conditions, as temperatures can dip to a chilly -4°C (25°F) or rise to a warm 29°C (85°F). Expect 128 mm (5.0 in) of precipitation spread over approximately 11 days, with an average humidity of 78%. Stay cozy and enjoy the varied weather!

October Temperature in Londonderry

In October in Londonderry, the average temperature is 13°C (55°F). Maximums can reach 29°C (85°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October temperature patterns in Londonderry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Londonderry, October typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (25°F).

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

October Precipitation in Londonderry

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

October Precipitation Trends in Londonderry

The chart displays monthly precipitation patterns in Londonderry, 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 Londonderry, 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 Londonderry

In Londonderry in October, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

October Average Humidity in Londonderry

This chart illustrates the average monthly humidity levels in Londonderry, 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 Londonderry 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 Londonderry

In Londonderry 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 Londonderry, you can refer to this Hourly UV Index in Londonderry.

Maximum UV Index Levels in Londonderry for October

The chart shows the monthly maximum UV Index (UVI) for Londonderry 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 Londonderry typically reaches 6, which falls under the high exposure category.

Data source: Londonderry 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 Londonderry Compares to Other Months

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

This table compares monthly weather conditions in Londonderry, 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)	68 mm (2.7 inches)	86%	low
February Weather	0°C (32°F)	84 mm (3.3 inches)	84%	moderate
March Weather	3°C (37°F)	85 mm (3.3 inches)	82%	moderate
April Weather	9°C (48°F)	127 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	82 mm (3.2 inches)	72%	very high
June Weather	20°C (69°F)	89 mm (3.5 inches)	72%	very high
July Weather	23°C (74°F)	131 mm (5.2 inches)	67%	very high
August Weather	23°C (74°F)	77 mm (3.0 inches)	66%	very high
September Weather	19°C (66°F)	73 mm (2.9 inches)	71%	high
October Weather	13°C (55°F)	128 mm (5.0 inches)	78%	high
November Weather	5°C (42°F)	95 mm (3.7 inches)	84%	moderate
December Weather	0°C (32°F)	121 mm (4.8 inches)	81%	low