The best times to visit Oldcastle for ideal weather are
June 11th to September 9th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Oldcastle Travel Guide
Other Oldcastle Travel Info
Weather in Oldcastle
Average temperatures in Oldcastle 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 16th 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 Oldcastle, 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 67.2°F (19.6°C) with temperatures rarely dropping below 51.7°F (10.9°C) at night.
Oldcastle Temperatures (Fahrenheit)
Oldcastle Temperatures (Celsius)
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.
Oldcastle Perceived Temperature (F)
Oldcastle Perceived Temperature (C)
Average Oldcastle 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Oldcastle are April, March, and then September. 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 early July with an average of 4 days of significant precipitation the week of July 2nd.
When can you find snow in Oldcastle? Weather stations report a bit of annual snow likely to be deepest around January, especially close to early January. The best time to ski (if at all) in Oldcastle is often around around February 26th when fresh powder is deepest. 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 Oldcastle.
Snow on the Ground
The graph below shows the average snow on the ground in Oldcastle (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Oldcastle has some extremely humid months, and high humidity throughout the year. The least humid month is April (70.8% relative humidity), and the most humid month is November (87%).
Wind in Oldcastle is usually calm. The windiest month is January, followed by December and March. January’s average wind speed of around 7.2 knots (8.3 MPH or 13.4 KPH) is considered “a gentle 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 12.3 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Oldcastle.
The graph below shows wind speed (max and average) in knots.
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||7.2||Gentle breeze||11.6||Significant breeze|
|Feb||6.6||Light breeze||10.8||Gentle breeze|
|Mar||6.7||Light breeze||11||Significant breeze|
|Apr||6.2||Light breeze||10.2||Gentle breeze|
|May||6.6||Light breeze||10.4||Significant breeze|
|Jun||5.4||Light breeze||8.9||Gentle breeze|
|Jul||5.4||Light breeze||8.9||Significant breeze|
|Aug||5.6||Light breeze||9||Gentle breeze|
|Sep||5.5||Light breeze||8.9||Significant breeze|
|Oct||6||Light breeze||9.9||Gentle breeze|
|Nov||6.5||Light breeze||10.6||Significant breeze|
|Dec||7.1||Gentle breeze||11.1||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Oldcastle?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Ireland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 04, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Oldcastle, Ireland is January, followed by July and February. 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 Oldcastle 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
Overall Oldcastle Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 63.2°F (17.3°C) and 48.2°F (9°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 10 days of significant precipitation per month. Spring is fairly slow 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 comfortable. These months see moderate precipitation with 10 to 12 days of precipitation per month. June – August is the busiest season for tourism in Oldcastle, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 63.3°F (17.4°C) and 45.8°F (7.7°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 the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in Oldcastle to be enjoyable for warm weather travelers. The average high during this season is between 48.2°F (9°C) and 44.2°F (6.8°C). On average, it rains or snows a great amount: 9 to 13 times per month. These times of year are the second busiest with tourists.