Bright sunshine belied the treacherous conditions on some roads in the southwest although snowfall remained confined mainly to the mountain tops.
Temperatures in Kerry, Clare and Limerick didn't rise above zero yesterday afternoon and care is advised on all routes today.
Kerry County Council has also warned of black ice on the roads. All main roads have been salted and gritted.
Intermittent showers of snow and sleet made their presence felt across the southeast during the day.
Strong winds overnight were followed yesterday by some heavy downfalls.
Snow showers hit Waterford from mid-morning yesterday and were later witnessed in parts of Tipperary and Kilkenny where there were showers of sleet during the afternoon.
On higher ground the snow did remain intact and some of the mountains in Tipperary and Waterford were covered in a blanket of white from early yesterday.
But there were warnings of freezing temperatures last night and early this morning.
Freezing temperatures and intermittent snow flurries made for difficult driving conditions for motorists throughout Cork yesterday.
There were minor road accidents early in the morning at Riverstick on the Cork to Kinsale Road and near the Inishcarra Dam on the road to Dripsey in the west of the county, as temperatures struggled to climb above freezing point.
But, despite a biting easterly wind, road conditions remained fair across the city and county throughout the afternoon.
Snow showers and icy roads led to a number of minor traffic accidents around the Midlands yesterday.
Gardai advised against unnecessary travel and said, "if you can stay in, stay in".
Intermittent snow showers continued across Offaly yesterday and roads remained icy, and there was a two-car collision between Rathangan and Edenderry.
In Co Westmeath snowfall caused motoring difficulties between Collinstown and Mullingar. Conditions were also treacherous around Moate, Kinnegad and Kilbeggan, with extreme care needed on the road between Kilbeggan and Tyrellspass.
Gardai in Castlepollard recorded two minor accidents as a result of "adverse weather conditions".
In Mullingar, gardai said officers were investigating "a number of accidents on secondary roads".
Sligo, Donegal and Leitrim councils deployed gritter lorries to tackle the twin hazards of ice and snow on roads throughout the region.
Minor roads in particular were dangerous but the main roadways were cleared.
Motorists have been urged to drive with care. A severe frost is also forecast for this evening and the cold snap is expected to last for some days.
There was snow in the West but it did not last long.
The sun was shining for most of the day in Galway, Roscommon and Mayo, melting any of the minor snow flurries.
Gardai said most roads in the West were passable with care, with rural areas worst hit by overnight frost.
Councils in all three counties dispatched gritter lorries overnight.