May weather forecast
Cordova, AK

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A boat-laden busy bay of Cordova, Alaska, with the view of forests and snow-peaked mountains
A boat-laden busy bay of Cordova, Alaska, with the view of forests and snow-peaked mountains

Weather in May

May establishes itself as a transitional period in Cordova weather from Spring to Summer. The increase in temperature and daylight hours continues in May, bringing a warmth to the air that the previous months lacked. From a climatological standpoint, May sees a near-total cessation of snowfall, with almost nominal total snowfall of only 0.31" (8mm). As June approaches, the temperatures continue to soar, setting a stage for the peak summer period of July and August. Hence, in its own mellow way, May symbolizes an impressive transition from the remnants of colder weather to the dawn of the summer season.

Temperature

The embrace of May brings a minor uplift in the average high-temperature in Cordova, shifting from an icy 40.6°F (4.8°C) in April to a chilly 48.6°F (9.2°C). Nighttime temperature in Cordova sees a small decrement from daytime highs, dipping to an average of 40.5°F (4.7°C) during May.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Cordova, during May, the rain falls for 17.5 days and regularly aggregates up to 4.25" (108mm) of precipitation. In Cordova, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.

Snowfall

Months with snowfall in Cordova are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Cordova aggregates 0.31" (8mm) of snow. In Cordova, during the entire year, snow falls for 66.1 days and aggregates up to 74.57" (1894mm) of snow.

Ocean temperature

In Cordova, the average seawater temperature in May is 46.9°F (8.3°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In May, the average length of the day in Cordova is 17h and 22min.
On the first day of May in Cordova, sunrise is at 5:34 am and sunset at 9:45 pm. On the last day of the month, sunrise is at 4:26 am and sunset at 10:55 pm AKDT.

Sunshine

The months with the most sunshine are May through July, with an average of 7.6h of sunshine.

UV index

In May, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 3 during May translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Cordova in May?

In Cordova, in May, the average high-temperature is 48.6°F (9.2°C), and the average low-temperature is 40.5°F (4.7°C).

What is the average humidity in May in Cordova?

In Cordova, Alaska, the average relative humidity in May is 79%.

How much does it rain in Cordova in May?

In Cordova, in May, it is raining for 17.5 days, with typically 4.25" (108mm) of accumulated precipitation.

What is the last month it snows in Cordova?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Cordova aggregates 0.31" (8mm) of snow.

What is the ocean temperature in May in Cordova?

In Cordova, the average seawater temperature in May is 46.9°F (8.3°C). Swimming in 46.9°F (8.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Cordova?

In May, the average day length in Cordova is 17h and 22min.

What time are sunrise and sunset in May in Cordova?

On the first day of May in Cordova, sunrise is at 5:34 am and sunset at 9:45 pm. On the last day of the month, sunrise is at 4:26 am and sunset at 10:55 pm AKDT.

What are the months with the most sunshine in Cordova?

The months with the most sunshine in Cordova are May through July, with an average of 7.6h of sunshine.

How many hours of sunshine does Cordova have in May?

The average sunshine duration in May in Cordova is 7.6h.

What is the UV index intensity in May in Cordova?

In May, the average daily maximum UV index in Cordova, Alaska, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cordova, AK

Average temperature in May - Cordova, AK
  • Average high temperature in May: 48.6°F

The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in May: 40.5°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in May
Cordova, AK

Average pressure in May - Cordova, AK
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

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Average wind speed in May
Cordova, AK

Average wind speed in May - Cordova, AK
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).

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Average humidity in May
Cordova, AK

Average humidity in May - Cordova, AK
  • Average humidity in May: 79%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in May
Cordova, AK

Average rainfall in May - Cordova, AK
  • Average rainfall in May: 4.25"

The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").

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Average rainfall days in May
Cordova, AK

Average rainfall days in May - Cordova, AK
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).

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Average snowfall in May
Cordova, AK

Average snowfall in May - Cordova, AK
  • Average snowfall in May: 0.31"

The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Cordova, AK

Average snowfall days in May - Cordova, AK
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Cordova, AK

Average sea temperature in May - Cordova, AK
  • Average sea temperature in May: 47°F

The best month for swimming (with the highest average sea temperature) is July (57.3°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).

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Average daylight in May /
Average sunshine in May
Cordova, AK

Average daylight in May / Average sunshine in May - Cordova, AK
  • Average daylight in May: 17h and 2min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in May: 7h and 4min

The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average sunshine days in May
Cordova, AK

Average sunshine days in May - Cordova, AK
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).

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Average UV index in May
Cordova, AK

Average UV index in May - Cordova, AK
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in May
Cordova, AK

Average cloud cover in May - Cordova, AK
  • Average cloud cover in May: 57

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).

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Average visibility in May
Cordova, AK

Average visibility in May - Cordova, AK
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).

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Cordova, Alaska, USA

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