July weather forecast
Astoria, OR

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A scenic seaside shot of the city of Astoria in Oregon, with a view of the iconic Astoria Megler bridge crossing over the Columbia river
A scenic seaside shot of the city of Astoria in Oregon, with a view of the iconic Astoria Megler bridge crossing over the Columbia river

Weather in July

July signifies the zenith of the summer season in Astoria, characterized by longer daylight hours and elevated temperatures. As per the data, July's temperatures oscillate between a high of 66.6°F (19.2°C) and a low of 52.3°F (11.3°C), providing warm, sunny days and comfortably cool evenings. Subsequent to July, Astoria's warmest, the city will experience a slight decrease in temperatures and daylight hours, while still maintaining a sunny disposition heading into August.

Temperature

July in Astoria denotes a minimal variation in the average high-temperature to a still enjoyable 66.6°F (19.2°C) from June's 61.9°F (16.6°C). In Astoria, the average nighttime temperature during July is a fresh 52.3°F (11.3°C).

Humidity

In Astoria, the average relative humidity in July is 82%.

Rainfall

July is the month with the least rainfall. Rain falls for 8.1 days and accumulates 0.51" (13mm) of precipitation.

Snowfall

April through November are months without snowfall in Astoria, Oregon.

Ocean temperature

July is the month with the warmest seawater, with an average ocean temperature of 56.8°F (13.8°C).
Note: Diving into 56.8°F (13.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

In July, the average length of the day is 15h and 20min.
On the first day of the month, sunrise is at 5:28 am and sunset at 9:10 pm. On the last day of July, in Astoria, sunrise is at 5:57 am and sunset at 8:46 pm PDT.

Sunshine

The average sunshine in July is 9.8h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in July translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the temperature in July in Astoria?

An average high-temperature, in July, in Astoria, is 66.6°F (19.2°C) and the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in July in Astoria?

The average relative humidity in July in Astoria, Oregon, is 82%.

What is the driest month in Astoria?

July is the month with the least rainfall in Astoria. Rain falls for 8.1 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain in Astoria in July?

In Astoria, during July, the rain falls for 8.1 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Astoria?

In Astoria, Oregon, snow does not fall in April through November.

What is the month with the warmest ocean in Astoria?

With an average ocean temperature of 56.8°F (13.8°C), July is the month with the warmest seawater in Astoria.

How cold is the water in July in Astoria?

In July, the average ocean temperature is 56.8°F (13.8°C). 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.

How many hours of daylight does Astoria have in July?

In July, the average day length in Astoria, Oregon, is 15h and 20min.

What time are sunrise and sunset in July in Astoria?

In July, on the first day of the month, sunrise is at 5:28 am and sunset at 9:10 pm. On the last day of the month, in Astoria, sunrise is at 5:57 am and sunset at 8:46 pm PDT.

How long on average sun shines in July in Astoria?

The average sunshine duration in July in Astoria, Oregon, is 9.8h.

What is the month with the highest UV index in Astoria?

With an average maximum UV index of 5, July is the month with the highest UV index in Astoria.

How high is the UV index in July in Astoria?

The average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
61.9°F 16.6°C
66.6°F 19.2°C
67.6°F 19.8°C
Average low temperature
48.9°F 9.4°C
52.3°F 11.3°C
53.1°F 11.7°C
Average pressure
30.06" 764mmHg
30.07" 764mmHg
30.03" 763mmHg
Average wind speed
6.2mph 10km/h
5.9mph 9.5km/h
5.3mph 8.5km/h
Average max. wind speed
7mph 11.3km/h
6.7mph 10.8km/h
6.1mph 9.8km/h
Average wind speed gusts
9.2mph 14.8km/h
8.8mph 14.2km/h
8.3mph 13.4km/h
Average humidity
82%
82%
83%
Average rainfall
1.46" 37mm
0.51" 13mm
0.55" 14mm
Average rainfall days
13
8.1
7.2
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
55.9°F 13.3°C
56.9°F 13.8°C
56.3°F 13.5°C
Average daylight
15h 4min
15h 2min
14h 1min
Average sunshine
8h 5min
9h 5min
9h 5min
Average sunshine days
14.3
19.3
20.1
Average UV index
4
5
4
Average cloud cover
48%
37%
36%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in July
Astoria, OR

Average temperature in July - Astoria, OR
  • Average high temperature in July: 66.6°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (45.1°F).

  • Average low temperature in July: 52.3°F

The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).

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Average pressure in July
Astoria, OR

Average pressure in July - Astoria, OR
  • Average pressure in July: 30.07"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

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Average wind speed in July
Astoria, OR

Average wind speed in July - Astoria, OR
  • Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Astoria, OR

Average humidity in July - Astoria, OR
  • Average humidity in July: 82%

The months with the highest relative humidity are January, February, March, November and December (84%).
The month with the lowest relative humidity is May (81%).

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Average rainfall in July
Astoria, OR

Average rainfall in July - Astoria, OR
  • Average rainfall in July: 0.51"

The wettest month (with the highest rainfall) is December (6.42").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days in July
Astoria, OR

Average rainfall days in July - Astoria, OR
  • Average rainfall days in July: 8.1 days

The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is August (7.2 days).

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Average snowfall in July
Astoria, OR

Average snowfall in July - Astoria, OR
  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in July
Astoria, OR

Average snowfall days in July - Astoria, OR
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in July
Astoria, OR

Average sea temperature in July - Astoria, OR
  • Average sea temperature in July: 56.9°F

The best month for swimming (with the highest average sea temperature) is July (56.9°F).
The coldest month (with the lowest average sea temperature) is February (47.7°F).

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Average daylight in July /
Average sunshine in July
Astoria, OR

Average daylight in July / Average sunshine in July - Astoria, OR
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).

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Average sunshine days in July
Astoria, OR

Average sunshine days in July - Astoria, OR
  • Average sunshine days in July: 19.3 days

The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index in July
Astoria, OR

Average UV index in July - Astoria, OR
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Astoria, OR

Average cloud cover in July - Astoria, OR
  • Average cloud cover in July: 37

The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in July
Astoria, OR

Average visibility in July - Astoria, OR
  • Average visibility in July: 5mi

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

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Astoria, Oregon, USA

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