Portal
Arizona, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Portal, AZ

January, the same as December, is another fresh winter month in Portal, Arizona, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 55°F (12.8°C). With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 27.3°F (-2.6°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Portal, is a moderate month, with average temperature varying between 59.5°F (15.3°C) and 29.3°F (-1.5°C). In Portal, the average high-temperature is practically the same as in January - a mild 59.5°F (15.3°C). Weather in February »

The first month of the spring, March, is a comfortable month in Portal, Arizona, with average temperature ranging between min 33.3°F (0.7°C) and max 65.1°F (18.4°C). In Portal, the average high-temperature marginally rises, from a mild 59.5°F (15.3°C) in February, to a comfortable 65.1°F (18.4°C). Weather in March »

April in Portal, Arizona, is a moderately hot spring month, with average temperature ranging between max 74.7°F (23.7°C) and min 41.7°F (5.4°C). In Portal, the average high-temperature rises, from an enjoyable 65.1°F (18.4°C) in March, to a moderately hot 74.7°F (23.7°C). Weather in April »

The last month of the spring, May, is also a moderately hot month in Portal, Arizona, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 81.9°F (27.7°C). In Portal, the average high-temperature in May slightly increases, from 74.7°F (23.7°C) in April, to a still moderately hot 81.9°F (27.7°C). Weather in May »

June, the first month of the summer, in Portal, is a tropical month, with average temperature varying between 90.7°F (32.6°C) and 55°F (12.8°C). The warmest month is June, with an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 55°F (12.8°C). Weather in June »

July, the same as June, in Portal, Arizona, is a hot summer month, with average temperature varying between 89.8°F (32.1°C) and 60.4°F (15.8°C). In Portal, the average high-temperature is almost the same as in June - a still tropical 89.8°F (32.1°C). Weather in July »

August, the last month of the summer, in Portal, is another hot month, with average temperature varying between 58.6°F (14.8°C) and 87.1°F (30.6°C). In Portal, the average high-temperature in August is relatively the same as in July - a still hot 87.1°F (30.6°C). Weather in August »

The first month of the autumn, September, is still a warm month in Portal, Arizona, with average temperature ranging between min 54.5°F (12.5°C) and max 84.9°F (29.4°C). In Portal, the average high-temperature is almost the same as in August - a warm 84.9°F (29.4°C). Weather in September »

October, like September, in Portal, Arizona, is another warm autumn month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 43.9°F (6.6°C). In October, the average high-temperature decreases, from a warm 84.9°F (29.4°C) in September, to a still moderately hot 75.4°F (24.1°C). Weather in October »

November, the last month of the autumn, in Portal, is also an enjoyable month, with average temperature fluctuating between 33.3°F (0.7°C) and 64.4°F (18°C). In Portal, the average high-temperature in November drops, from a moderately hot 75.4°F (24.1°C) in October, to a comfortable 64.4°F (18°C). Weather in November »

December, the first month of the winter, in Portal, is still a mild month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 56.5°F (13.6°C). In December, the average high-temperature marginally drops, from a comfortable 64.4°F (18°C) in November, to a moderate 56.5°F (13.6°C). Weather in December »

What is the coldest month in Portal?

The coldest month is January, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 27.3°F (-2.6°C).

How many days does it rain in Portal?

In Portal, Arizona, during the entire year, the rain falls for 57 days and collects up to 17.4" (441.3mm) of precipitation.

When does it snow in Portal?

Months with snowfall are January through April, October through December.

How much does it snow in Portal?

Throughout the year, in Portal, 9.7" (246.3mm) of snow is accumulated.

What is the snowiest month in Portal?

January is the month with the most snowfall, with 3.4" (86.4mm) of accumulated snow.

What is the driest month in Portal?

May is the month with the least rainfall in Portal, Arizona. Rain falls for 2 days and accumulates 0.3" (8.4mm) of precipitation.

What is the warmest month in Portal?

With an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 55°F (12.8°C), June is the warmest month in Portal.

When are the longest days in Portal?

The month with the longest days in Portal is June, with an average of 14.2h of daylight.

What is the wettest month in Portal?

August is the month with the most rainfall. Rain falls for 10 days and accumulates 3.7" (93mm) of precipitation.

What is the month with the shortest days in Portal?

The month with the shortest days is December, with an average of 10.1h of daylight.
Average temperature - Portal, AZ
Average rainfall - Portal, AZ
Average rainfall days - Portal, AZ
Average snowfall - Portal, AZ
Average daylight - Portal, AZ

The month with the longest days is June (Average daylight: 14.2h).
The month with shortest days is December (Average daylight: 10.1h).