Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
July
Weather in July
Temperature
In Porthmadog, United Kingdom, the average temperatures in July are the highest, with a peak at 17.2°C (63°F) and a low of 10.3°C (50.5°F).Humidity
In Porthmadog, the average relative humidity in July is 87%.Rainfall
In July, in Porthmadog, the rain falls for 21.8 days. Throughout July, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Porthmadog, there are 230 rainfall days, and 940mm (37.01") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Sea temperature
In July, the average sea temperature is 14.6°C (58.3°F).Note: Being in 14.6°C (58.3°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
The average length of the day in July is 16h and 20min.On the first day of the month, sunrise is at 4:55 am and sunset at 9:45 pm. On the last day of July, sunrise is at 5:34 am and sunset at 9:11 pm BST.
Sunshine
The average sunshine in July is 6h.UV index
The average daily maximum UV index in July in Porthmadog, United Kingdom, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during July leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Porthmadog?
What is the usual temperature for Porthmadog in July?
What is the average humidity in July in Porthmadog?
How many days does it rain in July in Porthmadog?
When it does not snow in Porthmadog?
What is the water temperature in July in Porthmadog?
What is the average length of the day in July in Porthmadog?
When are sunrise and sunset in July in Porthmadog?
How long on average sun shines in July in Porthmadog?
What is the UV index intensity in July in Porthmadog?
Average temperature in July
Porthmadog, United Kingdom
- Average high temperature in July: 17.2°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in July: 10.3°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in July
Porthmadog, United Kingdom
- Average pressure in July: 1014.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in July
Porthmadog, United Kingdom
- Average wind speed in July: 11.5km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in July
Porthmadog, United Kingdom
- Average humidity in July: 87%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in July
Porthmadog, United Kingdom
- Average rainfall in July: 72mm
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days in July
Porthmadog, United Kingdom
- Average rainfall days in July: 21.8 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in July
Porthmadog, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in July
Porthmadog, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in July
Porthmadog, United Kingdom
- Average sea temperature in July: 14.6°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in July /
Average sunshine in July
Porthmadog, United Kingdom
- Average daylight in July: 16h and 2min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in July: 6h and 0min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in July
Porthmadog, United Kingdom
- Average sunshine days in July: 7.1 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in July
Porthmadog, United Kingdom
- Average UV index in July: 3
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in July
Porthmadog, United Kingdom
- Average cloud cover in July: 64
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in July
Porthmadog, United Kingdom
- Average visibility in July: 8km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
