arllwys, pouring
braf, fine
bwrw, precipitating
bwrw cesair, hailing
bwrw eira, snowing
bwrw glaw, raining
cawod, shower
cawodydd, showers
crasboeth, scorching hot
cwmwl, cloud
cymhedrol, fair
cymylu, clouds
cymylog, cloudy
chwerw, bitter
diflas, miserable
golau, light
gwlyb, wet
gwynt, wind
gwyntoedd, winds
gwyntog, windy
haul, sun
heulog, sunny
hyfryd, lovely
lonydd, still
mellt a tharanau, thunder and lightening
oer, cold
oerfel, coolness
ofnadwy, terrible
pistyllu, pouring
rhew, ice
rhewi, freezing
storm, storm
stormus, stormy
sych, dry
taranau a mellt, lightening and thunder
torheulio, sunbathe
twym, warm
tywyll, dark
ysgafn, light