easeweather.com

Weather in Coos Bay, Oregon for May 2026

Your guide to Coos Bay weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Coos Bay at the beginning of May is 16.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.4 °F by the end of May.

  • Rain 🌧️

  • The climate of Coos Bay in May is notably wet, with an average of 11 rainy days, and a total of 53.5 mm of precipitation.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Coos Bay Weather May

Move between months or click on a day

Temperatures trend during May in Coos Bay

See the weather trend as well as the moving average line

May weather in Coos Bay day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
May 1 Overcast
Overcast
19° /7° 0 mm 4
May 2 Patchy rain possible
Patchy rain possible
15° /7° 0.7 mm 4
May 3 Patchy rain possible
Patchy rain possible
12° /8° 0.3 mm 3
May 4 Partly cloudy
Partly cloudy
14° /6° 0 mm 4
May 5 Sunny
Sunny
19° /8° 0 mm 5
May 6 Partly cloudy
Partly cloudy
22° /9° 0 mm 6
May 7 Patchy rain possible
Patchy rain possible
15° /7° 0.9 mm 4
May 8 Overcast
Overcast
17° /6° 0 mm 4
May 9 Overcast
Overcast
16° /7° 0 mm 4
May 10 Overcast
Overcast
15° /7° 0 mm 4
May 11 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /9° 6.9 mm 3
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
12° /9° 9 mm 3
May 13 Patchy rain possible
Patchy rain possible
14° /9° 3 mm 3
May 14 Moderate rain at times
Moderate rain at times
13° /9° 2 mm 3
May 15 Patchy rain possible
Patchy rain possible
14° /8° 0.8 mm 3
May 16 Overcast
Overcast
15° /7° 1.3 mm 4
May 17 Moderate rain at times
Moderate rain at times
13° /9° 6.1 mm 3
May 18 Patchy rain possible
Patchy rain possible
12° /8° 1.7 mm 3
May 19 Moderate rain at times
Moderate rain at times
13° /9° 4.8 mm 3
May 20 Moderate rain at times
Moderate rain at times
14° /8° 2.7 mm 3
May 21 Overcast
Overcast
16° /7° 1.9 mm 4
May 22 Patchy rain possible
Patchy rain possible
13° /9° 0.7 mm 3
May 23 Patchy rain possible
Patchy rain possible
15° /9° 0.1 mm 4
May 24 Overcast
Overcast
13° /7° 0 mm 3
May 25 Mist
Mist
12° /8° 0 mm 3
May 26 Fog
Fog
14° /11° 0 mm 3
May 27 Sunny
Sunny
20° /10° 0 mm 6
May 28 Mist
Mist
14° /12° 0 mm 3
May 29 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /11° 10.6 mm 3
May 30 Partly cloudy
Partly cloudy
18° /12° 0 mm 5
May 31 Overcast
Overcast
16° /12° 0 mm 4
Next
Important Notice
Our weather forecast for Coos Bay in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Coos Bay forecast closer to your planned date for the most up-to-date weather information.

Coos Bay in May - FAQ

What are the expected maximum and minimum temperatures in Coos Bay during May?
During May, expect a variety of temperatures with highs around 15° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Coos Bay during May?
Moderate rainfall is anticipated in Coos Bay during May, with a total of 53.5 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Coos Bay during May?
The average wind speed in Coos Bay during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Coos Bay

Explore the daily rainfall trends and prepare for Coos Bays May weather 💧

UV exposure in Coos Bay during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

More Coos Bay weather pages
Location coordinates Where is Coos Bay?

Get accurate weather forecasts for Coos Bay, located at latitude 43.367 and longitude -124.218. Stay updated with localized weather information tailored for Coos Bay.

Found a mistake?
We appreciate your attention to details. Tell us here.