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Gwynedd (Barmouth)
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Weather in Gwynedd for March 2026

Your guide to Gwynedd weather in March - trends and predictions

    Temperatures

  • Until now, March 2026 in Gwynedd has been nearly identical to the historical average, with a temperature of 8.5 °C (showing only a slight deviation of -0.3 °C).

  • The forecast for the next days in Gwynedd predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Gwynedd at the beginning of March is 9.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 8.9 °C by the end of March.

    • Rain 🌧️

  • Gwynedd experiences moderate rainfall in March, with an average of 8 rainy days and a total precipitation of 49.4 mm.

    • More

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

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/3°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Gwynedd Weather March

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

Temperatures trend during March in Gwynedd

See the weather trend as well as the moving average line

March weather in Gwynedd day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
1 Mar. Overcast
Overcast
 8° /2° 2.6 mm 0 cm
2 Mar. Sunny
Sunny
 8° /3° 3.5 mm 0 cm
3 Mar. Overcast
Overcast
 7° /1° 0 mm 0 cm
4 Mar. Partly cloudy
Partly cloudy
 10° /1° 0 mm 0 cm
5 Mar. Overcast
Overcast
 11° /3° 1.4 mm 0 cm
6 Mar. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /3° 5.2 mm 0 cm
7 Mar. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /4° 3.7 mm 0 cm
8 Mar. Overcast
Overcast
 11° /6° 3.3 mm 0 cm
9 Mar. Partly cloudy
Partly cloudy
 13° /5° 2.5 mm 0 cm
10 Mar. Overcast
Overcast
 10° /3° 4.3 mm 0 cm
11 Mar. Cloudy
Cloudy
 7° /2° 1 mm 0 cm
12 Mar. Patchy rain possible
Patchy rain possible
 7° /2° 11.8 mm 0 cm
13 Mar. Overcast
Overcast
 5° /0° 2.1 mm 0.3 cm
14 Mar. Patchy rain possible
Patchy rain possible
 6° /-1° 0.7 mm 0.1 cm
15 Mar. Cloudy
Cloudy
 7° /0° 3.9 mm 0.5 cm
16 Mar. Overcast
Overcast
 8° /1° 1.5 mm 0.1 cm
17 Mar. Overcast
Overcast
 9° /3° 0.1 mm 0 cm
18 Mar. Sunny
Sunny
 11° /2° 0 mm 0 cm
19 Mar. Cloudy
Cloudy
 13° /1° 0 mm 0 cm
20 Mar. Sunny
Sunny
 11° /6° 0 mm 0 cm
21 Mar. Sunny
Sunny
 12° /6° 0 mm 0 cm
22 Mar. Partly cloudy
Partly cloudy
 12° /5° 0 mm 0 cm
23 Mar. Partly cloudy
Partly cloudy
 10° /4° 0 mm 0 cm
24 Mar. Moderate rain
Moderate rain
 10° /6° 6.6 mm 0 cm
25 Mar. Patchy rain possible
Patchy rain possible
 7° /4° 2.9 mm 0 cm
26 Mar. Patchy rain possible
Patchy rain possible
 7° /4° 0.1 mm 0 cm
27 Mar. Overcast
Overcast
 6° /3° 0 mm 0 cm
28 Mar. Patchy rain possible
Patchy rain possible
 9° /6° 0.2 mm 0 cm
29 Mar. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 0 cm
30 Mar. Partly cloudy
Partly cloudy
 12° /5° 0 mm 0 cm
31 Mar. Patchy rain possible
Patchy rain possible
 11° /7° 0.2 mm 0 cm
Next
Important Notice
Our weather forecast for Gwynedd in March 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 Gwynedd forecast closer to your planned date for the most up-to-date weather information.
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Gwynedd in March - FAQ

What are the expected maximum and minimum temperatures in Gwynedd during March?

Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.

How much rainfall should be expected in Gwynedd during March?

In March, Gwynedd can expect light to moderate rainfall, totaling 49.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Gwynedd in March 2026?

Gwynedd typically sees 0 cm of snowfall during March.

What are the typical wind conditions in Gwynedd during March?

The average wind speed in Gwynedd during March is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Gwynedd snow forecast March 2026

Track daily snowfall levels and discover Gwynedd’s snowy potential this March ❄️

March rainfall patterns in Gwynedd

Explore the daily rainfall trends and prepare for Gwynedds March weather 💧
Typically, Gwynedd has 8 rainy days in March with a total of 49.4 mm of rainfall.
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Barmouth
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Location coordinates Where is Gwynedd?

Get accurate weather forecasts for Gwynedd, located at latitude 52.724 and longitude -4.057. Stay updated with localized weather information tailored for Gwynedd.

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