Weather in Shannon in October 2025
Average weather
Average temperature in Shannon in October
Going from a maximum of +70°F during the day to a minimum of +36°F during the night, the temperature in October averages around +59°F.
The average maximum temperature goes down 26% by the end of the month, compared with the beginning of the month, from +64°F to +55°F.
Is Shannon warm or cold in October?
Shannon is typically mild in October.
Maximum temperatures go down compared to the previous month from +63°F to +55°F. The minimum temperature also goes down from +50°F to +46°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Shannon:
Climate in Shannon in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +63°F | +55°F | +50°F | ||||
| Min. temperature | ||||||
| +34°F | +27°F | +23°F | ||||
| Max. temperature | ||||||
| +81°F | +70°F | +63°F | ||||
| Rainfall | ||||||
| 80 mm | 102 mm | 95 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 85% | 87% | 88% | ||||
| Air pressure | ||||||
| 1014 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 10 | 10 | 9 | ||||
| Rainy days | ||||||
| 19 | 20 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +63°F in the day, the average maximum temperature lowers to +55°F. Prepare for more rain. Average rainfall goes from 80 mm to 102 mm. Humidity rises from 85% to 87%. Winds are stronger in comparison to September, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Shannon is gradually decreasing during October, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last October in Shannon?
Climate Change Over the Years
The climate in Shannon in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+53°F) and the highest in 2023 (+57°F). The driest year was 2001 with only 746 mm of rainfall, and the wettest year was 2009 with 1263 mm.
FAQ
Is October a good time to visit Shannon?
Can you sunbathe in Shannon in October?
Is Shannon rainy in October?
Is it sunny in Shannon in October?
Other cities in Ireland
Monthly weather in Shannon
Source of the data
For this page, we’ve looked at the typical weather in Shannon, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.