June Weather in Carmarthen, United Kingdom

Last updated: March 17, 2025

Experience the June weather in Carmarthen, United Kingdom, where the temperatures range from a maximum of 25°C (78°F) to a refreshing minimum of 7°C (45°F), averaging around 15°C (59°F). This month sees 16 days of precipitation, totaling approximately 100 mm (3.9 in), resulting in a humidity level of 80%. Whether you're enjoying a sunny day or navigating the occasional shower, June in Carmarthen promises a mix of weather that keeps the landscape lush and vibrant. Embrace the charm of this historic town as it transforms under the warm yet variable skies of early summer!

June Temperature in Carmarthen

In June, Carmarthen embraces the full swing of summer, with temperatures showcasing a delightful transition from the cooler months. The minimum temperature rises to a cozy 7°C (45°F), while the average climbs to a pleasing 15°C (59°F). With maximum temperatures reaching a warm 25°C (78°F), locals and visitors alike can enjoy longer days filled with sunshine and outdoor activities. This month marks a significant warmup compared to the previous months, particularly from the fresh air of May, allowing for blossoming gardens and vibrant festivities. Overall, June in Carmarthen heralds the start of summer with inviting warmth, encouraging a celebratory spirit as the days become more lively and enjoyable.

June Weather in Carmarthen: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Carmarthen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485359626158544846
Data source: Temperature data for Carmarthen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Carmarthen

In June, Carmarthen experiences a notable transition in weather, with precipitation amounting to 100 mm (3.9 in) over approximately 16 days of rain. This level of rainfall is a slight increase compared to the drier months of April and May, which recorded only 61 mm (2.4 in) and 90 mm (3.5 in), respectively. As the month progresses, the arrival of summer begins to blend with the lingering coolness of spring, resulting in increased rainfall, characteristic of the season. This pattern indicates a trend towards higher precipitation in the latter half of the year, with more substantial downpours expected in subsequent months such as August and October. Overall, June serves as a reminder of Carmarthen's dynamic climate, where the transition to summer does not diminish the presence of rain, keeping the landscape lush and vibrant.

June Precipitation Trends in Carmarthen

The chart displays monthly precipitation patterns in Carmarthen, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec99136115619010091134115171151184
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Carmarthen

In Carmarthen, United Kingdom, June brings a notable shift in humidity levels, with the average dropping to 80%. This pattern reflects a gradual decline from the previous months, where humidity was consistently high, peaking at 88% in both January and February. As spring transitions into summer, humidity levels ease, with June retaining a comfortable atmosphere before further decreasing in July to 70%. This trend highlights the arrival of warmer, drier weather, marking a refreshing change for residents and visitors alike as the region prepares for the sunnier days ahead.

June Average Humidity in Carmarthen

This chart illustrates the average monthly humidity levels in Carmarthen, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Carmarthen

As summer unfolds in Carmarthen, United Kingdom, June marks a significant rise in the UV Index, reaching a very high level of 8. This trend is part of an upward trajectory that begins in the spring; as temperatures warm, UV exposure increases, shifting from a low index of 1 in January to a moderate 4 by March, and climbing to 7 in May. With a reduced burn time of just 15 minutes in June, sun safety becomes paramount, emphasizing the need for protective measures during outdoor activities. This pattern continues into July, but begins to taper off in August. For detailed insights on UV exposure trends throughout the year, visit Carmarthen UV Index.

Maximum UV Index Levels in Carmarthen for June

The chart shows the monthly maximum UV Index (UVI) for Carmarthen in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Carmarthen June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Carmarthen

In June, Carmarthen basks in 401 hours of sunshine, meticulously positioned between the bright blooms of May and the sun-drenched days of July, which boasts the highest sun exposure at 422 hours. The trend shows a gradual ascent from the chill of January, beginning with a mere 97 hours, and building momentum through the spring. By the time June arrives, the days are filled with warmth and light, creating an inviting atmosphere that is perfect for enjoying outdoor activities. While August sees a slight decline to 379 hours, the overall pattern underscores a vibrant summer season, delighting residents and visitors alike. As the year progresses towards the cooler months, sunlight begins to wane, culminating in November and December, where hours drop to 138 and 114, respectively, highlighting the fleeting nature of Carmarthen's abundant summer sunshine.

Monthly Sunshine Duration in Carmarthen: June Highlighted

The June sunshine duration represents the total number of hours Carmarthen experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec97h157h229h341h409h401h422h379h313h245h138h114h
Data source: Carmarthen June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carmarthen During June

In June, the likelihood of sunny weather in Carmarthen, United Kingdom sits at 26%, which mirrors the chance seen in January and provides a notable contrast to the brighter days of April, where sunbeams peeked through 53% of the time. As the year progresses into summer months like July and August, optimism for sunshine increases, with chances rising to 40% and 34%, respectively. While June may not be the sunniest month, it still benefits from a fair share of pleasant days, creating a perfect opportunity for outdoor activities before the sun truly shines in the height of summer. Thus, although June's forecast may resemble the winter months, it's a promising step toward warmer, more vibrant days ahead.

Percentage of Sunny Days in June in Carmarthen

The chart illustrates the percentage of sunny days in Carmarthen throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Carmarthen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%24%29%54%32%26%40%34%27%20%25%22%
Data source: Carmarthen June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carmarthen in June

In Carmarthen, United Kingdom, June shines brightly with 16 hours of daylight, marking the peak of the sunniest season. This increase in daylight from 15 hours in May reflects the transition into summer, as the days gradually lengthen from the relatively shorter days of winter, which see only 8 hours in January. The gradual buildup towards summer is evident, with each month showcasing a steady increase, culminating in June's sun-drenched days that are matched only by July. Following this vibrant month, daylight begins to wane again in August, hinting at the approaching autumn. As the year progresses into fall, daylight gradually recedes, reminding us of the cyclical nature of light and darkness in this charming Welsh town.

Average Daylight Hours in Carmarthen for June

The chart illustrates the variation in daylight duration in Carmarthen throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 21m9h 57m11h 55m13h 55m15h 41m16h 36m16h 6m14h 31m12h 35m10h 35m8h 47m7h 50m
Data source: Carmarthen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Carmarthen

In June, Carmarthen experiences a gentle breeze, with an average wind speed of 3.8 m/s (9 mph), making it one of the calmest months of the year. This decline in wind intensity follows a slightly more blustery May, where average speeds reached 5.1 m/s (11 mph). The trend of diminishing winds continues into July and August, suggesting a tranquil summer atmosphere that invites outdoor activities and leisurely strolls. Interestingly, these summer months contrast with the robust wind speeds observed earlier in the year, particularly in October when winds ramp up to 5.9 m/s (13 mph). Overall, June signifies a shift towards milder conditions in Carmarthen, perfect for enjoying the lush greenery that accompanies the warmer season.

Average June Wind Speed in Carmarthen

The chart displays monthly wind speed patterns in Carmarthen, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.46.55.53.95.13.8 m/s3.54.53.95.94.86.2
Data source: Carmarthen June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Carmarthen Compares to Other Months

The weather in Carmarthen changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Carmarthen and find detailed weather information for every month.

In June, the weather is much warmer and more conducive to outdoor activities, with an average temperature of 15°C (59°F) and maximums reaching up to 25°C (78°F). The month experiences about 100 mm (3.9 in) of precipitation spread over 16 days, contributing to an average humidity of 80%. In contrast, January brings much cooler temperatures, with an average of 6°C (43°F) and highs only reaching 13°C (56°F). It also has similar precipitation levels at 99 mm (3.9 in) but over fewer days, totaling 13 days of rain, and higher humidity at 88%. For a more detailed outlook on January weather, you can check Carmarthen weather in January.

June and February display stark contrasts in weather conditions. June experiences a more moderate temperature range, with minimums around 7°C (45°F) and maximums reaching up to 25°C (78°F), making it a pleasant month with an average temperature of 15°C (59°F). In contrast, February is much cooler, where temperatures dip as low as -2°C (28°F) and typically peak at 14°C (58°F), averaging just 7°C (44°F). While February has slightly higher precipitation levels at 136 mm (5.3 in) over 17 days, June sees less rain at 100 mm (3.9 in) across 16 days, though humidity levels are quite high in both months, at 80% in June and 88% in February. For further details, you can visit Carmarthen weather in February.

In comparing the weather of June and March, we can see notable differences in temperature and precipitation. June boasts a more temperate climate, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), while March has a cooler average, ranging from -5°C (24°F) to 16°C (61°F). Precipitation is slightly lower in June at 100 mm (3.9 in) over 16 days compared to March, which sees 115 mm (4.5 in) spread across 18 days. Additionally, June experiences a humidity level of 80%, which is somewhat lower than March’s 86%. For more specific details about March weather, check out Carmarthen weather in March.

In comparing the weather of June and April, June emerges as a significantly warmer month, with average temperatures ranging from a minimum of 7°C to a maximum of 25°C, whereas April’s temperatures are cooler, with averages between 0°C and 19°C. Additionally, June experiences more precipitation, totaling 100 mm over 16 days, compared to April’s 61 mm over 11 days, though both months feature relatively high humidity, with June at 80% and April slightly higher at 84%. For those interested in exploring more about April weather specifically, you can refer to Carmarthen weather in April.

In comparing the weather of May and June, we see a noticeable increase in temperature. June features a minimum temperature of 7°C (45°F) and an average of 15°C (59°F), while May starts with a lower minimum of 2°C (36°F) and an average of 12°C (53°F). Although June boasts a higher maximum temperature of 25°C (78°F) compared to May's 23°C (73°F), it also experiences slightly more precipitation, with 100 mm (3.9 in) over 16 days, versus 90 mm (3.5 in) over 12 days in May. Humidity remains consistent at 80% for both months, ensuring that the overall feel of the air remains quite similar. For further details, you can refer to Carmarthen weather in May.

June and July exhibit a gradual warming trend, with July generally experiencing slightly higher temperatures. In June, the minimum temperature dips to 7°C (45°F), while July sees a slight increase to 8°C (48°F). The average temperature also climbs from 15°C (59°F) in June to 16°C (62°F) in July, with the maximum reaching 26°C (79°F) in July compared to 25°C (78°F) in June. Precipitation levels are relatively similar, with June receiving 100 mm (3.9 in) over 16 days, while July has a bit less at 91 mm (3.6 in) over 13 days. Moreover, humidity decreases from 80% in June to 70% in July, making July feel a bit more comfortable. For more detailed information, you can visit Carmarthen weather in July.

In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average temperature of 15°C (59°F). The month is characterized by higher humidity levels at 80% and experiences approximately 100 mm (3.9 in) of precipitation over 16 days. In comparison, August sees slightly warmer temperatures with a minimum of 9°C (49°F) and the same maximum of 25°C (78°F), resulting in an average of 16°C (61°F). However, August tends to be wetter, with total precipitation reaching 134 mm (5.3 in) over 19 days and lower humidity at 73%. Overall, while both months share similar temperature highs, August is typically more humid and wetter than June. For more details, visit Carmarthen weather in August.

In June, the weather typically features a minimum temperature of 7°C (45°F) and an average of 15°C (59°F), with a maximum reaching 25°C (78°F). The month experiences approximately 100 mm (3.9 in) of precipitation over 16 days, coupled with a humidity level of 80%. In contrast, September sees slightly cooler temperatures, with a minimum of 5°C (42°F) and maintaining the same average and maximum temperatures of 15°C (58°F) and 25°C (78°F), respectively. However, it has a bit more rainfall, totaling 115 mm (4.5 in) over the same number of rainy days, and a marginally lower humidity of 79%. For more detailed insights, check out Carmarthen weather in September.

June and October exhibit distinct differences in weather patterns. In June, the temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average of 15°C (59°F). The month sees about 100 mm (3.9 in) of precipitation over 16 days, accompanied by a relatively lower humidity of 80%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (33°F), an average of 12°C (54°F), and a maximum of 20°C (68°F). Precipitation rises to 171 mm (6.7 in) over 18 days, and humidity increases to 89%. The shift from June's warmer, drier conditions to October's cooler, wetter climate significantly impacts outdoor activities and daily life. For more detailed information, visit Carmarthen weather in October.

June and November present contrasting weather conditions. In June, the temperatures range from a minimum of 7°C (45°F) to a pleasant maximum of 25°C (78°F), with an average of 15°C (59°F). The month sees about 100 mm (3.9 in) of precipitation over 16 days and has a humidity level around 80%. In contrast, November experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of just 15°C (60°F), averaging at 9°C (49°F). It also tends to be wetter, receiving approximately 151 mm (6.0 in) of rain over 18 days, and the humidity increases to 90%. For more detailed insights on November weather, check out Carmarthen weather in November.

In June, temperatures in Carmarthen range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average of about 15°C (59°F), making it a relatively mild month. The humidity sits at 80%, and while rainfall occurs on 16 days, the total precipitation is around 100 mm (3.9 in), contributing to a generally pleasant summer atmosphere. In contrast, December experiences much colder weather, with temperatures ranging from 0°C (32°F) at night to a maximum of 13°C (55°F) during the day and an average of 8°C (46°F). The month is wetter, with a total precipitation of 184 mm (7.2 in) over 20 days and higher humidity at 89%. For a detailed look at what to expect, check out Carmarthen weather in December.

Compare Carmarthen's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Carmarthen

As June settles in Carmarthen, the weather takes on a more inviting charm compared to the cooler months. With an enjoyable average temperature of 15°C (59°F) and peaks reaching up to 25°C (78°F), there's a palpable shift towards warmth and longer days. However, June is also known for its notable humidity of 80% and frequent showers, with precipitation occurring on around half of the month. These conditions create a lush landscape, distinct from the drier periods earlier in the year. For a deeper look at what to expect throughout the seasons, visit Carmarthen Climate.