Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
The move into October indicates a slight reduction in the average high-temperature, down from September's comfortable 16.1°C (61°F) to a moderate 13.1°C (55.6°F). Merthyr Tydfil's temperature lowers to a mean of 7.7°C (45.9°F) during the nights in October.Humidity
The average relative humidity in October is 89%.Rainfall
In Merthyr Tydfil, United Kingdom, during October, the rain falls for 15.9 days and regularly aggregates up to 53mm (2.09") of precipitation. In Merthyr Tydfil, United Kingdom, during the entire year, the rain falls for 186.1 days and collects up to 566mm (22.28") of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Merthyr Tydfil, the average length of the day in October is 10h and 39min.On the first day of October, sunrise is at 7:15 am and sunset at 6:50 pm BST. On the last day of the month, sunrise is at 7:06 am and sunset at 4:47 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.
Sunshine
In October, the average sunshine in Merthyr Tydfil, United Kingdom, is 4h.UV index
The average daily maximum UV index in October in Merthyr Tydfil is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Merthyr Tydfil?
What is the average humidity in October in Merthyr Tydfil?
How much does it rain in Merthyr Tydfil in October?
When it does not snow in Merthyr Tydfil?
Does it snow in Merthyr Tydfil in October?
What is the average length of the day in October in Merthyr Tydfil?
When are sunrise and sunset in October in Merthyr Tydfil?
When does Daylight Saving Time (DST) end in October in Merthyr Tydfil?
How many hours of sunshine does Merthyr Tydfil have in October?
How high is the UV index in October in Merthyr Tydfil?
Average temperature in October
Merthyr Tydfil, United Kingdom
- Average high temperature in October: 13.1°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in October: 7.7°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in October
Merthyr Tydfil, United Kingdom
- Average pressure in October: 1014.4mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in October
Merthyr Tydfil, United Kingdom
- Average wind speed in October: 16.4km/h
The windiest month (with the highest average wind speed) is February (20.3km/h).
The calmest month (with the lowest average wind speed) is June (13.7km/h).
Average humidity in October
Merthyr Tydfil, United Kingdom
- Average humidity in October: 89%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (83%).
Average rainfall in October
Merthyr Tydfil, United Kingdom
- Average rainfall in October: 53mm
The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and September (32mm).
Average rainfall days in October
Merthyr Tydfil, United Kingdom
- Average rainfall days in October: 15.9 days
The month with the highest number of rainy days is November (18.7 days).
The month with the least rainy days is September (12.7 days).
Average snowfall in October
Merthyr Tydfil, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in October
Merthyr Tydfil, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Merthyr Tydfil, United Kingdom
- Average daylight in October: 10h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in October: 4h and 0min
The months with the most sunshine are May and July (Average sunshine: 7h and 18min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in October
Merthyr Tydfil, United Kingdom
- Average sunshine days in October: 11.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in October
Merthyr Tydfil, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Merthyr Tydfil, United Kingdom
- Average cloud cover in October: 61
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in October
Merthyr Tydfil, United Kingdom
- Average visibility in October: 8km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
