United StatesAverage weather for Portsmouth in October
It's pleasantly warm in October in Portsmouth with an average temperature of 21°C. Temperatures this month range from a low of 16°C to a high of 25°C. At night, you can expect temperatures between 7°C and 13°C.
Start of October
The month of October starts in Portsmouth with warm temps, averaging around 24°C during the day and nights around 12°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid October
By mid-October, daytime temps drop to around 21°C, with nights around 10°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of October
By the end of October, the average daytime temperature in Portsmouth is around 19°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.
In October, there is an average of 111 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
Portsmouth in October |
New York | ||
|---|---|---|---|
 Average temperature |
21°C | 21°C | |
 Max. temperature |
25°C | 26°C | |
| Min. temperature |
16°C | -5°C | |
 Total precipitation |
111 mm | 119 mm | |
| Rainy days |
8 days | 13 days | |
September
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is October a good time to visit Portsmouth?
Looking for sun? October isn’t a good month to be in Portsmouth. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 35°C in 2019, Portsmouth reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 5°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 21°C.
Check out the climate of Portsmouth for all months and discover the best travel time
Daily Temperature in October in Portsmouth
This chart shows the average daily high and low temperatures in October for Portsmouth, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in Portsmouth
The chart below shows the average daily precipitation in October for Portsmouth, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 8 days of precipitation in Portsmouth.
Daily UV index in October in Portsmouth
This chart shows the average daily UV index in October in Portsmouth, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Portsmouth over the years
This chart shows the average temperature in October in Portsmouth, measured in degrees Celsius, over the past few years.
Total precipitation in October in Portsmouth over the years
This chart shows the average precipitation in October in Portsmouth, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in October for Portsmouth
Click on any day in October to get detailed info about the usual weather on that day in Portsmouth. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Portsmouth
Have you been to Portsmouth in October?
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Average weather in Portsmouth by month
Click on a month below to see detailed weather info for Portsmouth. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Portsmouth for all months at once
