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
Weather in October
Temperature
October's onset brings a slight change in high-temperatures, falling from 84.2°F (29°C) in September to a still moderately hot 74.8°F (23.8°C). During the nights in October, Portal experiences a consistent average temperature of 55.9°F (13.3°C).Humidity
In Portal, Arizona, the average relative humidity in October is 40%.Rainfall
In Portal, in October, it is raining for 4.9 days, with typically 0.55" (14mm) of accumulated precipitation. In Portal, during the entire year, the rain falls for 73.4 days and collects up to 7.91" (201mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in October is 11h and 23min.On the first day of the month, sunrise is at 6:10 am and sunset at 6:00 pm. On the last day of October, sunrise is at 6:32 am and sunset at 5:27 pm MST.
Sunshine
In Portal, the average sunshine in October is 7.4h.UV index
In Portal, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During October, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Portal have in October?
When are sunrise and sunset in October in Portal?
How many hours of sunshine does Portal have in October?
What is the UV index reading in October?
Average temperature in October
Portal, AZ
- Average high temperature in October: 74.8°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in October: 55.9°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in October
Portal, AZ
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Portal, AZ
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in October
Portal, AZ
- Average humidity in October: 40%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is May (21%).
Average rainfall in October
Portal, AZ
- Average rainfall in October: 0.55"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is April (0.12").
Average rainfall days in October
Portal, AZ
- Average rainfall days in October: 4.9 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is May (2.1 days).
Average snowfall in October
Portal, AZ
- Average snowfall in October: 0"
The month with the highest snowfall is December (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Portal, AZ
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Portal, AZ
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in October: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in October
Portal, AZ
- Average sunshine days in October: 23.7 days
The month with the most sunshine days is May (28.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in October
Portal, AZ
- Average UV index in October: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in October
Portal, AZ
- Average cloud cover in October: 11
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in October
Portal, AZ
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Portal, Arizona, USA
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