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Weather in Nepean for May 2026

Your guide to Nepean weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Nepean during May is quite rare, with fewer than 2 snowy days on average.
    According to Nepean snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Monday, 4 May.

    • Temperatures

  • Expect cooler weather in first days of May 2026 in Nepean with the forecast suggesting a temperature of 10.5 °C, lower than the historical average.

  • In general, the average temperature in Nepean at the beginning of May is 10.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of May.

    • Rain 🌧️

  • Nepean in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 88.1 mm.

    • More

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

Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Nepean Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
9°
2
Patchy rain possible
8°
3
Patchy rain possible
6°
4
Patchy rain possible
7°
5
Patchy rain possible
14°
6
Patchy rain possible
18°
7
Moderate rain
10°
8
Partly cloudy
15°
9
Moderate rain
8°
10
Patchy rain possible
11°
11
Patchy rain possible
9°
12
Overcast
19°
13
Partly cloudy
19°
14
Cloudy
19°
15
Partly cloudy
22°
16
Moderate rain at times
19°
17
Light rain shower
17°
18
Sunny
16°
19
Overcast
17°
20
Moderate or heavy rain shower
17°
21
Moderate rain at times
18°
22
Sunny
17°
23
Sunny
18°
24
Moderate or heavy rain shower
13°
25
Sunny
18°
26
Overcast
21°
27
Sunny
22°
28
Sunny
23°
29
Overcast
19°
30
Sunny
21°
31
Sunny
21°

Temperatures trend during May in Nepean

See the weather trend as well as the moving average line

May weather in Nepean day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 9° /-1° 0.2 mm 0 cm
2 May Patchy rain possible
Patchy rain possible
 8° /-1° 0.9 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 6° /-1° 1.8 mm 0 cm
4 May Patchy rain possible
Patchy rain possible
 7° /1° 1 mm 0.6 cm
5 May Patchy rain possible
Patchy rain possible
 14° /3° 0.5 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 18° /11° 1 mm 0 cm
7 May Moderate rain
Moderate rain
 10° /6° 7.4 mm 0 cm
8 May Partly cloudy
Partly cloudy
 15° /4° 0 mm 0 cm
9 May Moderate rain
Moderate rain
 8° /3° 12.4 mm 0 cm
10 May Patchy rain possible
Patchy rain possible
 11° /4° 1.2 mm 0 cm
11 May Patchy rain possible
Patchy rain possible
 9° /3° 0.1 mm 0 cm
12 May Overcast
Overcast
 19° /9° 0.3 mm 0 cm
13 May Partly cloudy
Partly cloudy
 19° /8° 1.6 mm 0 cm
14 May Cloudy
Cloudy
 19° /9° 1.8 mm 0 cm
15 May Partly cloudy
Partly cloudy
 22° /9° 0 mm 0 cm
16 May Moderate rain at times
Moderate rain at times
 19° /10° 1.1 mm 0 cm
17 May Light rain shower
Light rain shower
 17° /9° 6.3 mm 0 cm
18 May Sunny
Sunny
 16° /6° 0.9 mm 0 cm
19 May Overcast
Overcast
 17° /5° 0 mm 0 cm
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /10° 9.7 mm 0 cm
21 May Moderate rain at times
Moderate rain at times
 18° /10° 2.2 mm 0 cm
22 May Sunny
Sunny
 17° /7° 10.3 mm 0 cm
23 May Sunny
Sunny
 18° /8° 0.1 mm 0 cm
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /5° 4.3 mm 0 cm
25 May Sunny
Sunny
 18° /5° 0.5 mm 0 cm
26 May Overcast
Overcast
 21° /8° 1 mm 0 cm
27 May Sunny
Sunny
 22° /9° 5.2 mm 0 cm
28 May Sunny
Sunny
 23° /11° 2 mm 0 cm
29 May Overcast
Overcast
 19° /10° 0 mm 0 cm
30 May Sunny
Sunny
 21° /9° 0 mm 0 cm
31 May Sunny
Sunny
 21° /8° 4.3 mm 0 cm
Next
Important Notice
Our weather forecast for Nepean 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 Nepean forecast closer to your planned date for the most up-to-date weather information.
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Nepean in May - FAQ

What are the expected maximum and minimum temperatures in Nepean during May?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Nepean during May?

Moderate rainfall is anticipated in Nepean during May, with a total of 88.1 mm spread over approximately 20 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Nepean during May?

The average wind speed in Nepean during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Nepean snow forecast May 2026

Track daily snowfall levels and discover Nepean’s snowy potential this May ❄️

May rainfall patterns in Nepean

Explore the daily rainfall trends and prepare for Nepeans May weather 💧
Typically, Nepean has 20 rainy days in May with a total of 88.1 mm of rainfall.

UV exposure in Nepean during May

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

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Location coordinates Where is Nepean?

Get accurate weather forecasts for Nepean, located at latitude 45.336 and longitude -75.723. Stay updated with localized weather information tailored for Nepean.

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