The best times to visit Castle Douglas for ideal weather are
June 25th to August 26th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Castle Douglas Travel Guide
Other Castle Douglas Travel Info
Weather in Castle Douglas
Temperature
Average temperatures in Castle Douglas vary somewhat. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 12th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Castle Douglas, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 65°F (18.3°C) with temperatures rarely dropping below 51.6°F (10.9°C) at night.
Castle Douglas Temperatures (Fahrenheit)
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Castle Douglas Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Castle Douglas Perceived Temperature (F)
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Castle Douglas Perceived Temperature (C)
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Average Castle Douglas Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
---|---|---|---|
Jan | 43.1 | 39.7 | 35.9 |
Feb | 43.9 | 39.8 | 35.8 |
Mar | 46.9 | 41.8 | 36.4 |
Apr | 52 | 45.8 | 39.4 |
May | 56.2 | 50 | 43.5 |
Jun | 61.2 | 55 | 48.4 |
Jul | 63.8 | 57.8 | 51 |
Aug | 62.6 | 57.3 | 50.4 |
Sep | 59.8 | 54.5 | 47.9 |
Oct | 54.9 | 50.4 | 44.6 |
Nov | 48.7 | 45 | 40.6 |
Dec | 44 | 40.4 | 36 |
Show Celsius
Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
---|---|---|---|
Jan | 6.2 | 4.3 | 2.2 |
Feb | 6.6 | 4.3 | 2.1 |
Mar | 8.3 | 5.4 | 2.4 |
Apr | 11.1 | 7.7 | 4.1 |
May | 13.4 | 10 | 6.4 |
Jun | 16.2 | 12.8 | 9.1 |
Jul | 17.7 | 14.3 | 10.6 |
Aug | 17 | 14.1 | 10.2 |
Sep | 15.4 | 12.5 | 8.8 |
Oct | 12.7 | 10.2 | 7 |
Nov | 9.3 | 7.2 | 4.8 |
Dec | 6.7 | 4.7 | 2.2 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Castle Douglas are April, September, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid April. For example, on the week of April 16th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 4 days of significant precipitation the week of January 15th.
When can you find snow in Castle Douglas? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Castle Douglas.
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Snow on the Ground
The graph below shows the average snow on the ground in Castle Douglas (in).
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Average Rain and Snow by Month
Show Inches
Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
---|---|---|---|
Jan | 46% | 0 | 5.1 |
Feb | 33% | 0 | 3.2 |
Mar | 29% | 0 | 3 |
Apr | 23% | 0 | 2 |
May | 30% | 0 | 3.1 |
Jun | 28% | 0 | 3.4 |
Jul | 32% | 0 | 3.8 |
Aug | 36% | 0 | 5.3 |
Sep | 27% | 0 | 3.2 |
Oct | 40% | 0 | 5.5 |
Nov | 40% | 0 | 5 |
Dec | 42% | 0 | 5.7 |
Show Centimeters
Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
---|---|---|---|
Jan | 46 | 0 | 13 |
Feb | 33 | 0 | 8.1 |
Mar | 29 | 0 | 7.6 |
Apr | 23 | 0 | 5.1 |
May | 30 | 0 | 7.9 |
Jun | 28 | 0 | 8.6 |
Jul | 32 | 0 | 9.7 |
Aug | 36 | 0 | 13.5 |
Sep | 27 | 0 | 8.1 |
Oct | 40 | 0 | 14 |
Nov | 40 | 0 | 12.7 |
Dec | 42 | 0 | 14.5 |
Humidity and Wind
Castle Douglas has some extremely humid months, and high humidity throughout the year. The least humid month is April (78.3% relative humidity), and the most humid month is January (86.1%).
Wind in Castle Douglas is usually stronger than many places. The windiest month is January, followed by December and November. January’s average wind speed of around 14.3 knots (16.5 MPH or 26.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid January where average top sustained speeds reach 23.7 knots, which is considered a strong breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Castle Douglas.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
Jan | 14.3 | Significant breeze | 22.4 | Very strong breeze |
Feb | 12.5 | Significant breeze | 19.5 | Strong breeze |
Mar | 12.9 | Significant breeze | 20.2 | Very strong breeze |
Apr | 11.5 | Significant breeze | 18.2 | Strong breeze |
May | 12 | Significant breeze | 18.6 | Very strong breeze |
Jun | 9.9 | Gentle breeze | 15.9 | Significant breeze |
Jul | 9.9 | Gentle breeze | 16 | Very strong breeze |
Aug | 10.9 | Gentle breeze | 17 | Strong breeze |
Sep | 11.1 | Significant breeze | 17.2 | Very strong breeze |
Oct | 12.7 | Significant breeze | 19.7 | Strong breeze |
Nov | 13.7 | Significant breeze | 21.3 | Very strong breeze |
Dec | 13.8 | Significant breeze | 22.1 | Very strong breeze |
Show Relative Humidity by Month
Month | Avg. Relative Humidity |
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Jan | 86.1% |
Feb | 84.9% |
Mar | 81.3% |
Apr | 78.3% |
May | 78.8% |
Jun | 81% |
Jul | 85% |
Aug | 86% |
Sep | 84.7% |
Oct | 85.2% |
Nov | 84.8% |
Dec | 85.2% |
Is it Safe to Travel to Castle Douglas?
Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 27, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Castle Douglas, the United Kingdom is July, followed by January and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Castle Douglas in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Castle Douglas Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 59.9°F (15.5°C) and 45.5°F (7.5°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 9 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see moderate precipitation with 8 to 11 days of precipitation per month. June – August is the busiest season for tourism in Castle Douglas, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 61.4°F (16.3°C) and 44.9°F (7.2°C), which will feel chilly given the humidity and wind. It rains or snows a good amount: 8 to 12 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is too cold this time of year in Castle Douglas to be enjoyable for warm weather travelers. The average high during this season is between 45.5°F (7.5°C) and 42°F (5.6°C). On average, it rains or snows a great amount: 9 to 14 times per month. These times of year are the second busiest with tourists.
Best Times to Travel› the United Kingdom › Castle Douglas, the United Kingdom
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